Procella System Design+ Installation v3

Transcription

System Design White Paper & Installation Handbook
V3.0 – revised January 2015
©2015 Procella Audio Svenska AB, Procella Audio USA, LLC. All rights reserved. V3.0
1. Company Contact Information
Procella Audio Svenska AB
Sollentuna, Sweden
Voice:
+46 (8) 624 24 60
Email:
[email protected]
Web:
www.procella-audio.com
Procella Audio USA, LLC
Venice, CA 90291
Voice:
+1 (310) 572-1070
+1 (310) 614-2358
Fax:
+1 (509) 561-3223
Email:
[email protected]
Web:
www.procella-audio.com
Cover photo courtesy of Erskine Group, Marietta, GA. Photography by Darren Sheely
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Table of Contents
BACKGROUND
1.
Contact Information
2
2.
Procella History and Technology
5
SYSTEM DESIGN
3.
System Design Parameters and Considerations
Room Design and Acoustic Treatment
Listening Distance – Main and Surround Speakers
Room Volume – Subwoofers
Recommended Amplifier Power by Speaker Model
THX Approval and THX Certified Screening Rooms
3D Audio (Dolby Atmos, DTS:X, Auro 3D)
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8
8
9
10
10
11
4.
Selecting the Proper Procella Speaker Models
Screen Channel Speaker
Surround Channel Speaker
Subwoofer
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12
12
13
5.
Positioning of Procella Speakers
Speaker Setup
Recommended Speaker Positioning for Film
Screen Channel Speakers
Surround Speakers
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15
16
18
18
6.
THX Baffle Wall Design and Construction
20
SPEAKER INSTALLATION
Please note: some of the information presented here is duplicated from model to model. This section is organized so
that the content for each product is self-contained and does not require reference to other parts of this document.
7.
P5 Installation Guidelines
24
8.
P6 and P6V Installation Guidelines
26
9.
P6iW Installation Guidelines
29
10. P8 Installation Guidelines
32
34
36
Using P815-FP with the Procella DA-2800 Outboard Amplifier
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40
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41
15. P10, P12, P15, P18, P10Si Subwoofer Installation Guidelines
Location of the Subwoofer(s)
Multiple Subwoofers
Using P18-FP, P15-FP, P10-FP with the Procella DA-2800DSP Outboard Amplifier
43
43
44
47
16. P10Si Installation Guidelines and Balancing Subwoofers
48
17. Wall Mounting the P6/P6V, P8, and P5
Wall Mounting the P5
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51
AMPLIFIERS, CONNECTIONS AND CALIBRATION
18. Procella DSP and Amplifier Controls: P815, P10, P15, P18
P18, P15 and P10 Subwoofers
P815 Main Speaker
P12 Subwoofer
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54
54
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19. Procella DA-2800 2,800 Watt Four-Channel Power Amplifier
DA-2800 DSP Speaker & Subwoofer Amplifier Channel Requirements
DA-2800 DSP Speaker Configurations and DSP Presets
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57
59
20. Cables and Connectors
XLR Connector Wiring
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60
21. AC and Grounding Requirements and Troubleshooting
61
22. Bass Management and Surround Processor Settings
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TECHNICAL SPECIFICATIONS AND DIMENSIONS
23. Appendix A
Product Technical Specifications and Dimensional Information
4
64
Background
2. Procella History and Technology
DTS Theatre with the very first Procella Audio system
Procella Audio was launched in the U.K. in 2006, founded by Anders Uggelberg and Gerben Van
Duyl. At that time, Anders was Director of Cinema Technology for DTS Europe, and Gerben was
DTS‘s European Director of Business Development for Consumer Technology.
While at DTS, Anders, a THX trained and certified cinema designer with over 300 cinema and
professional studio designs to his credit, was asked to design and build a state-of-the art in-house
32 seat preview theater at the DTS Europe headquarters just outside London. Teaming up with
Gerben, the goal was to create a theater able to produce reference sound quality for playback of all
current and future cinema and home entertainment media, including the upcoming Digital Cinema
(DCI) standard, Blu-ray disc and other 24 bit/96KHz resolution playback systems. Of particular note
was the use of the theater for multi-channel music demonstrations to artists such as Queen and
Depeche Mode, in order to persuade them to have their own recordings remixed to 5.1. After
taking an exhaustive survey of available speaker systems, the duo determined that no existing
system could deliver the requisite high-resolution audio with uniform coverage to all 32 seats.
To meet these requirements, Anders designed a new speaker system that became the basis for the
current Procella systems. Nimbly balancing the requirements of the cinema and home
entertainment sides of DTS audio, Anders’ design accommodates both with equal capability and
prowess. Taking the best elements of cinema speaker design and applying the performance
standards and design elements of the best small studio and high-end audio loudspeakers, the
Procella system delivers high-resolution audio to each and every seat in the room. Once the design
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Background
was finalized, the speakers were installed in the new DTS theatre in the summer of 2005 and
continue in operation there today.
To say the system was well received would be an understatement. Following the enthusiastic
approval of artists, engineers and producers that experienced and used the DTS system in their
professional capacity, Anders and Gerben realized the great commercial potential of the speakers,
leading to their departure from DTS and the creation of Procella Audio.
DTS Theatre with the first Procella speakers in screen baffle wall
The original DTS system, which has evolved through several iterations into today’s P815, P8 and
P18 loudspeakers, established the core principles of all Procella systems:
Identical Voice™
All screen and surround channel speakers are critically timbre matched, providing 'identical voices'
around the room, regardless of the number of speakers or Procella models used.
High Frequency Compression Drivers
Compression drivers are used exclusively for high frequencies because of their wide dynamic range,
high output levels and low distortion, particularly when compared to soft-dome tweeters.
Constant Directivity Waveguides
Each speaker utilizes a Procella-designed waveguide, which, along with carefully selected crossover
frequencies, produces constant power response with superior dispersion characteristics and
uniform coverage over a large seating area.
Advanced Crossover Designs
Procella-designed crossovers exhibit flat phase response and ultra-low group delay, with distortionfree air core inductors and polypropylene capacitors for maximum sonic purity.
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Background
Digital Signal Processors (DSP)
All Procella active speaker models provide DSP control for very detailed fine-tuning of the
acoustical result in a variety of room boundary conditions, making for great flexibility in system
design and installation.
Sealed-Box Cabinets
All Procella speakers, including subwoofers, use sealed cabinets for superior transient response and
group delay characteristics, as well as extended low-frequency subwoofer response.
Dual-Driver Dual-Amp Subwoofers
Each Procella main subwoofer uses two identical drivers, each driven by its own amplifier channel,
for high efficiency, low distortion and 6 dB greater output than a subwoofer using just one driver.
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System Design
3. System Design Parameters and Considerations
This section discusses the elements that should be taken into consideration when designing a
Procella Audio system. We encourage dealers and system designers to contact us in advance when
considering the use of Procella loudspeakers. We are happy to review system plans incorporating
Procella loudspeakers and to make suggestions for the appropriate Procella models.
Room Design and Acoustic Treatment
Room design and acoustic treatment of both purpose-built and existing theater rooms is a complex
subject, and we are not going to address it in detail within this document. Systems incorporating
Procella Audio loudspeakers will reap an enormous benefit from proper room design and acoustical
treatment, so we strongly recommend that room treatment be an integral part of any project’s
design and budget. Proper room treatment is not just acoustical foam; it involves structural design
and a proper understanding of absorption and diffusion, among many other things.
One note of guidance: Procella speakers use waveguides, rather than dome tweeters, which means
that the off-axis high-frequency energy they produce is much more uniform in frequency response
than the off-axis signals produced by most speakers. For acoustical treatment, this enables the use
of more diffusion and less absorption than designers typically must use with other speakers, and
this can produce better sonic results.
For dealers that do not have experience with room design and advanced acoustical room
treatment, engaging the services of an experienced acoustical designer can be invaluable. We can
refer dealers to designers that are familiar with Procella speakers. Also, subject to the time
availability of Procella engineers, we can also provide design services. This service will be provided
at a reasonable cost depending on the scope of a given project and the time required. Please
contact us for more details.
Listening Distance – Main and Surround Speakers
To start, let’s look at some key dimensions in the room where the system will reside. While overall
room dimensions are important, the initial consideration should be the distance from the speakers
to the listeners’ seats. This distance is the key factor in determining which loudspeakers should be
used for screen and surround channels and how much amplifier power will be needed to achieve
the desired playback levels and dynamic range available for each listener. Subwoofer requirements
are primarily determined by the overall room dimensions and volume rather than the distance to
any given seat, and we will discuss subwoofers separately.
The direct sound power level produced by a speaker decreases as the inverse square of the
distance from the speaker. Simply put, each time you double the distance from a speaker, in free
field, the SPL will decrease by 6 dB (reduce the distance by half, and the level increases by 6 dB). In
rooms with multiple rows of seats, the direct SPL heard in the front row will therefore be higher
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System Design
than the SPL heard in the back row. This means that in rooms with multiple rows of seats,
consideration should be given to the level that can be achieved in each row.
The reference level standard for cinema presentation, as defined by THX, requires each screen
channel to individually produce a level of 105 dB of direct sound at the listening position. The 105
dB level is based on two factors:
- all film sound mix facilities worldwide use an identical reference level of 85 dB for dialog when
mixing soundtracks, and
- the maximum channel signal level on digital film soundtracks is +20 dB (U.S. standard) and +18 dB
(European standard) higher than the dialog reference level, which is therefore 105 dB U.S. and 103
dB European.
That means that the creative team working on any film, worldwide, is able to create a soundtrack
with playback levels reaching as high as 105 dB per channel, with the knowledge that the
soundtrack will be reproduced at the same SPL they experienced during the mix, every time the
film is screened in a properly calibrated theater.
When all channels are playing back at maximum level, the total output is approximately another 5
dB, for a total of 110 dB!
The general rule for professional cinemas is that the sound system should be able to achieve
reference level to about 2/3 the depth of the room. This is a good standard for system design in
high-performance home cinema systems.
105 - 110 dB is quite loud, and therefore not all clients will require this full capability, particularly
when there are room and budget limitations. For example, the client installing a P6 system in an
apartment living room is unlikely to have the same expectations as a client building a new,
dedicated home cinema room or a professional screening room. These considerations should be
explored with the client as the system is being designed.
To determine the listening distance, measure from the front baffle of the center channel speaker to
the appropriate seat and/or to the 2/3 point of the room depth. The next section of this guide
includes a speaker selection chart that identifies the range of listening distances and power
requirements that will produce optimal performance with each Procella model used for screen and
surround channels.
Room Volume - Subwoofers
The second primary room dimension is room volume. Room volume is used generally to determine
subwoofer requirements, including specific models and (if more than one is necessary or preferred)
the total number of subwoofers needed for a system. In many rooms, volume is related to the
listening distance from the screen speakers to the seats, but in some cases (such as a large multipurpose room with the theater space at one end) it may not.
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System Design
To assist in selecting the correct Procella subwoofer model for each application, we will use cubic
volume. The goal is to help determine the minimum number of Procella subwoofer(s) and model
appropriate for a room. Room dimensions, acoustics and room treatments will affect subwoofer
requirements, sometimes to a great extent, so be aware that there is no universal formula for
calculating subwoofer requirements. We strongly recommend using at least the minimum
subwoofer recommendation per the Subwoofer chart on page 14, and always encourage the use of
multiple subwoofers. Having extra low-end capability will always be welcome, while insufficient
bass invariably produces constant listener disappointment. In every case, additional subwoofers
can not only produce greater output, but when they are deployed in multiple locations, the
consistency of frequency response across the seating area can be improved.
For more details and information on choosing the Procella subwoofer for a specific application, see
the Subwoofer section on page 13.
Recommended Amplifier Power by Speaker Model
Five Procella models have onboard amplifier options, meaning that the appropriate amplifier
power needed to provide enough headroom for maximum speaker performance is already present.
The P610, P28, P8, P6/6V/6iW, P5 and P10Si are passive, as are the FP versions of the amplified
speakers, and therefore require an external power amplifier or receiver. We strongly recommend
the use of the Procella DA-2800 2,800 Watt Four-Channel Power Amplifier for all Procella speakers.
See Section 19 on page 57 for more information.
In order to achieve the maximum dynamic range, we always recommend using the maximum
amount of amplifier power that fits a project’s budget. Minimum power ratings are as follows:
P5
P6/6V/6iW
P8
P28
P610
P815-FP
P860
P10-FP
P15-FP
P18-FP
P10Si
75 Watts continuous minimum
100 Watts continuous minimum for HF
250 Watts continuous minimum for LF
350 Watts continuous minimum for LF
900 Watts continuous (300W x 3) for LF
350 Watts continuous total (paralleled inputs) or 175 Watts continuous per driver
500 Watts continuous total (paralleled inputs) or 250 Watts continuous per driver
1500 Watts continuous total (jumpered inputs) or 750W continuous per driver
THX Approval and THX Certified Screening Rooms
The P815, P8 and P18 have all earned THX Approval for integration into professional facilities,
including THX Approved Screening rooms and pm3 rooms (Professional Multichannel Mixing and
Monitoring). Products that receive THX Approval go through a process distinct from products that
receive THX Certification. THX Certified products are designed for consumer applications, which
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System Design
generally means that they meet THX requirements in rooms that are smaller than the rooms where
THX Approved products must perform.
THX Approval of the P815, P8 and P18 enables their use in THX Certified Screening Rooms for
residential applications, as well as professional facilities. Integrators and clients interested in
creating a THX Certified Screening Room using Procella loudspeakers should contact us for more
information and assistance.
3D Audio (Dolby Atmos, DTS:X, Auro 3D)
At Procella, we have been eagerly anticipating the availability of 3D Audio for the home cinema.
This breakthrough technology elevates the cinema experience to a new level of immersion and
creates new opportunities for multiple entertainment platforms including music. The fact that
three formats have been introduced to the consumer market indicates the depth of interest
coming from both the business and pro audio communities.
For 3D Audio, all existing Procella speaker models can be used as side and height channels when
mounted on side walls. For overhead channels, any Procella loudspeaker can be used when
properly mounted, but we recommend in particular two models that have been optimized for use
as overhead speakers. Both the P6iW in-wall/in-ceiling speaker and the P5 speaker were designed
with overhead mounting for 3D Audio in mind.
One of the primary requirements for overhead speakers is wide dispersion, which is essential for
proper coverage and timbre-matching to all seats in the listening area. Conventional speakers using
dome tweeters have inherent limitations that makes this very difficult. However, because both the
P5 and the P6iW utilize circular waveguides for high frequencies, they produce a near-ideal circular
dispersion pattern when pointing straight down – essentially an 80 degree cone of sound.
Following the Procella ‘Identical Voices’ concept, this means that each listener hears a tonal
balance from the overhead speakers nearly identical to all the other speakers in the system.
The P8 and P6/P6V speakers have an elliptical waveguide with vertical dispersion narrower than
Dolby recommendations. When they are used as overhead speakers, they should be angled
towards the listening position. In the case of the P8, its front baffle is angled at 7 degrees, meaning
it can be pointed at the listeners even when the speaker’s back baffle is mounted flush to the
ceiling.
Deciding on speaker placement can be rather complicated, because each format has its own
recommended layout. So, rather than summarizing the recommendations for each format here, we
encourage you to consult the documentation provided by each format creator. For individual
system design and speaker placement, feel free to contact us, as always. We are happy to consult
with you to get the best result for each system.
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System Design
4. Selecting the Proper Procella Speaker Models
The guidelines below show recommendations for Procella speaker as determined by the
requirements described above. Screen Channel recommendations are presented on the basis of
both listening distance and room depth.
Screen Channel Speaker:
Selection by Listening Distance
(front baffle of center channel speaker to the seat)
For THX Reference Level Playback
Up to 2 meters (6½ feet)
Up to 4 meters (13 feet)
P6, P6V, P6iW
P8 (80 Hz crossover), P610 (full-range)
P815, P28
P860
For Standard Playback
2 meters to 6 meters (6½ to 20 feet)
5 meters to 12 meters (16½ to 40 feet)
7 meters to 24 meters (23 to 80 feet)
P6, P6V, P6iW, P5 (120 Hz crossover)
P815. P28
P860
Screen Channel Speaker:
Selection by Room Depth
(dimension from front or screen wall to back wall)
For Standard Playback
P6, P6V, P6iW, P5 (120 Hz crossover)
P815, P28
P860
Surround Channel Speaker:
Selection by Screen Channel Speaker and Width of Room
P5 Screen Channel speaker
Use P5 for all surrounds
P6/6V/6iW Screen Channel speaker
P6/6V/6iW is optimal
P5 can be used as side surrounds where the room is
less than 5 meters (15 feet) wide and as back
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System Design
surrounds when the front row of seats is less than 5
meters from the back wall
With the P8 Screen Channel speaker
P8 is optimal
P6/6V/6iW can be used as side surrounds when the
room is less than 6 meters (20 feet) wide and as back
surrounds when the front row of seats is 6 meters (20
feet) or less from the back wall
With P610 Screen Channel speaker
P6/6V/6iW should be used as side surrounds when the
feet) or less from the back wall
P8 should be used as side surrounds when the room is
greater than 6 meters (20 feet) wide and as back
feet) or more from the back wall
P8 is strongly recommended
P6/6V/6iW is acceptable as side surrounds when the
feet) or less from back wall
Use P8 for all surrounds.
In extremely large rooms, the P28 can be used.
Subwoofer:
Selection by Room Volume and Room Conditions
The P15 is designed to produce +6 dB more output than the P10 and P12.
The P18 is designed to produce +6 dB more output than the P15.
The P18 is designed to produce +12 dB more output than the P10 and P12.
The P10Si is designed to work as a balancing sub in conjunction with P18, P15 or P10 subwoofers
and therefore should not be taken into account in determining system low frequency output
capability.
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System Design
Room Volume
These recommendations are for subwoofers in rooms with a medium low frequency reverb time.
Understand that these are guidelines, not precise specifications. Room construction, dimensions
and acoustics vary considerably from room to room, making it difficult to reduce subwoofer
selection to a simple formula. Experience counts; contact us if you have questions.
P10 and P12
P15
P18
One subwoofer
up to 50m³ (1750 ft³)
up to 100m³ (3500 ft³)
up to 200m³ (7000 ft³)
Two subwoofers
up to 100m³ (3500 ft³)
up to 200m³ (7000 ft³)
up to 400m³ (14000 ft³)
Three subwoofers
up to 150 m³ (5250 ft³)
up to 300m³ (10500 ft³) up to 600m³ (21000 ft³)
Four subwoofers
up to 300 m³ (10500 ft³) up to 600m³ (21000 ft³) up to 1200m³ (42000ft³)
Room Conditions
The amount of low frequency loss, absorption and reverb in a given room can affect subwoofer
requirements. Rooms with low reverb time and/or low frequency loss will need more subwoofers
and rooms with long low frequency reverb times will have greater problems with standing waves
and resonances.
In general, the smaller the room, the more pronounced the problems.
We recommend use of multiple subwoofers when possible, with four properly placed subwoofers
typically producing the best ratio of performance to cost. Subwoofer models may be mixed in a
room, meaning that P10s can be used as additional ‘balancing’ subwoofers in combination with
P18s or P15s used as the main subwoofer(s). The P10Si balancing subwoofer can be used in
combination with any Procella main subwoofer.
Some rooms can be considered ‘lossy’ at low frequencies because of the room design and
construction. This can occur in rooms where construction is not rigid, or when rooms have a large
number of windows, doors or open walkways. In some cases, lossy rooms produce better bass
quality than stiffly constructed rooms, because of reduced room mode effects. However, the loss of
bass energy must be compensated for with additional or larger subwoofers.
Low frequency absorption, when properly applied through room design and/or acoustical
treatments, is desirable as a way to avoid excessive nodes. This can be accomplished through the
use of techniques that include bass trapping. This is an area where the guidance of an experienced
and knowledgeable acoustician can be very beneficial.
When adding low frequency absorption to a room, bear in mind that the overall low frequency
energy in the room will be reduced. This may change the total subwoofer requirement and should
be considered when determining the models and quantities of subwoofers that you will use.
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System Design
5. Positioning of Procella Speakers
Careful attention to optimal room positioning will help ensure maximum performance from
Procella speakers. This attention should be paid in the earliest stages of the system design process,
well in advance of the actual installation.
Here, we will first discuss location of the speakers in the room, using cinema design guidelines and
recommendations from Dolby and THX. While the ideal theater environment is a purpose-built
room, for most installations the location of speakers will be dictated by room structure and/or the
owner’s preference. As a general guideline, Procella speakers should be placed in locations as close
as possible to the ideal ones discussed here.
With the exception of the P6iW and the P5, Procella speakers are designed for a vertical
orientation and should always be mounted accordingly. Procella’s constant directivity
characteristics are optimized for this orientation. The cabinet should be placed with the tweeter
above the woofer except in very rare instances (please consult us before doing this), and the P8
and P6 should never be oriented on their sides. The P6iW and P5 use a circular waveguide that
produces a symmetrical horizontal and vertical radiation pattern, and therefore can be oriented
either horizontally (wide) or vertically (tall). This circular radiation pattern is ideal for overhead
speaker use in 3D Audio systems, so the P6iW and P5 are highly recommended for this application.
Because the P860, P815 and P610 use separate cabinets for low and high frequencies, it is
acceptable to place those cabinets side by side, as long as the separation is less than half a meter.
Speaker Setup
Our speaker setup recommendations follow cinema industry practices as used for playback in firstrun cinemas and in the professional dubbing stages where film soundtracks are created by mixers
and sound designers. Some mixers of multichannel music content use an alternate setup, which we
will discuss first for comparison’s sake and to provide an option for those that may have a
preference or need for this setup.
Speaker Layout for Multichannel Music: the ITU-R BS.775-1 Standard
The speaker configuration for the mixing of multichannel music recordings is often different from
the configuration used for film sound mixing. We’ll review the typical configuration for music
mixing here to give you some perspective and understanding of the differences.
Music mixers often set up their speakers so that the mix position is an equal distance from every
loudspeaker, with only one speaker used for each channel. As this is only possible for one seat and
one listener, this condition typically exists only in recording studios and specially configured rooms.
Film mixers, however, work with arrays of surround speakers, as in the typical cinema. There is a
recommended standard for music mixing, known as the ITU-R BS.775-1 Standard for multichannel
stereophonic sound systems with and without picture.
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System Design
Many professional recording facilities, primarily in the music field, use this standard for
loudspeaker placement. The speakers are placed at an equal distance from the mix position, with
the center speaker directly in front of the listener and the left and right speakers placed at 30
degrees to either side of the center. Shown here for multichannel playback, this 30 degree spacing
between left and right speakers is common for monitoring of two channel material as well. The
surround speakers are placed at an angle of 110 degrees to the center, although a range from 100
to 120 degrees is acceptable.
This configuration is generally not used for film sound
mixing or playback because it uses a 60 degree wide
spacing between the front left and right channels.
Typical film sound practice is to use a 45 degree wide
spacing between left and right speakers, and this is our
recommendation for home cinema playback. In some
cases, though, where the primary focus is on music
playback, whether two channel or multichannel, the 60
degree spacing may be useful.
In home systems, the need to have speakers
equidistant from the listening position is also
not critical, as surround processors and
receivers have time delays that provide for
coincident arrival of sound from all speakers
regardless of their distance from the listening
position. In any case, there are clear benefits
to symmetrical location of loudspeakers.
When a Cinemascope 2.35:1 or wider screen is
used, the left and right speakers should be
located behind the screen. Keep in mind the
45 degree angle from the listening position to
the left and right speakers described above. If
the spacing between the left and right
speakers is too close to accommodate a
narrower screen aspect ratio such as 16:9 or
4:3, the full sonic impact of the widest screen
format will be diluted. When masking is used
for narrower screen sizes, it is very important that the masking be acoustically transparent.
Recommended Speaker Positioning for Film
The speaker setup for film sound in home cinemas and screening rooms places the speakers at
different angles to the listening position than the multichannel music configuration. The layout
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System Design
shown at right shows the range of recommended speaker angles for 5.1 and 7.1 channel
configurations. These recommendations incorporate the guidelines promulgated by Dolby
Laboratories and THX.
Starting with the center channel at the 0 degree position, the left and right channel speakers
should each be placed at a 22.5 degree angle to the left and right, respectively, which forms a total
45 degree angle between the speakers at the listening position. The diagram shows an acceptable
range of 22 to 30 degrees. While we recommend the 22.5 degree position for film playback, the
diagram shows the 30 degree options to illustrate the positions typically used for music playback,
either in stereo or in the ITU-R BS.775-1 Standard setup described above.
The side surround speakers are shown at a minimum of 90 degrees from the listening position for a
5.1 channel system where these are the only surrounds. The acceptable range is between 90 and
110 degrees. THX recommends positioning the speakers between 90 and 110 degrees, and Dolby
recommends they be placed between 100 to 110 degrees. We recommend that the surrounds be
placed so that they are just behind the listeners’ ears, meaning an angle a little greater than 90
degrees.
In a 7.1 channel system, the side surrounds should also be located as shown on the layout, with the
Dolby recommendation between 90 and 100 degrees, and THX saying that 90 to 110 degrees is
acceptable. Again, we recommend an angle a bit greater than 90 degrees.
When there are multiple rows of seats, the ideal design is to have a set of side surrounds for each
row, with each speaker located just behind the listeners ears (greater than a 90 degree angle),
along with a pair on the back wall. If this is not possible, then the side surrounds should be
positioned symmetrically along the side wall over the depth of the seating area as measured from
the center of the front row to the center of the back row.
Placement for the back surrounds in 7.1 channel systems varies
according to the application. The adjacent layout at left shows a
60 degree angle between the back surrounds and the main
listening position. This location is identical to the 150 degree
position shown in the diagram above. This 60 degree spacing is
the recommended location for recorded material in discrete 7.1
channel formats such as Dolby TrueHD and DTS Master Audio.
For material where the back surround channels are not discrete,
when using a THX processor, the back surrounds should be placed
close together as indicated in the
diagram at right. Since this is not
the ideal location for playback of
the latest high-resolution audio
formats, you will have to decide whether to optimize for legacy
film playback or for the current state of the art. We suggest using
the 60 degree spacing to provide optimal playback for the highest17
System Design
resolution audio material.
Screen Channel Speakers
Maximum cinema sonic impact and effectiveness is achieved with an acoustically transparent
screen and screen channel speakers mounted behind the screen in a baffle wall.
The screen channel speakers are ideally placed where their tweeters are on the same lateral plane.
The center channel can be placed at a different height than the right and left speakers, but imaging
will be improved when all three speakers are at the same height. When a choice must be made
between locating the speakers above or below a screen, the vertical listening window is greater
below the speaker than above the speaker. The optimized vertical window for Procella speakers
extends from 5 degrees above the high frequency driver to 30 degrees below. This provides
excellent sound quality for listeners when the speakers are located behind an acoustically
transparent screen at the recommended location of 5/8 of the screen height, which will be above
most listeners’ ears.
Any time an acoustically transparent screen is used, a baffle wall should be constructed to mount
the speakers. Please see Baffle Wall Design and Construction on page 20 for more information on
baffle walls and their construction.
A baffle wall can also be used with a solid projection screen or flat panel display device. In this case,
the wall surface exposed to the room is covered by fabric, and the front speakers are concealed
behind that fabric and not behind the screen. The tradeoff here is that the center channel speaker
will have to be located either above or below the screen. While this will shift the image location of
the center channel, all of the other benefits of a baffle wall remain. For these installations, we
recommend that, where possible, the left and right screen speakers be placed at the same height
as the center channel, preferably above the screen or display. This configuration will produce the
best imaging.
Whenever the speakers are mounted behind a screen or behind fabric used to conceal the
speakers, the grilles should be removed from the speakers.
Surround Speakers
Following the Identical Voice concept and cinema practices, Procella surround speakers are direct
radiators. We do not offer or recommend using dipoles or other speaker configurations, as these
violate the Identical Voice philosophy and do not meet cinema and music industry
recommendations for playback of discrete multichannel film and music sources, which specify use
of direct radiator speakers.
The ideal system configuration would use identical speakers for all channels. However, as this is
often not practical, Procella’s Identical Voice concept means that any combination of Procella
loudspeakers – P860, P815, P610, P28, P8, P6/6V/6iW, or P5 can be used to produce excellent
results. For example, P8s perform superbly as surrounds when P860s, P815s, P610s, or P28s are
18
System Design
used for screen channels, and P6/6V/6iWs are similarly excellent as surrounds with P610, P28, or
P8 screen channel speakers. The P5 can be used with P6/6V/6iW or P5 mains, and may also be
suitable for use as height channels because of their compact size.
See the Recommended Speaker Positioning for Film section on page 16 for more details regarding
room location of surround speakers. Typically, they should be mounted at a height about two feet
above the listeners’ heads. When there are multiple side surround speakers, each should be
mounted at the same distance from the floor (not ceiling) so that they are at the same relative
height for each listener. Always take care to place the speakers so there is sufficient clearance in
walkways to avoid the risk of head injury in a darkened room.
When there are multiple rows of seats, the ideal setup is to have a set of side surrounds for each
row, with each speaker at an angle slightly greater than 90 degrees relative to the row. If this is not
possible, then the side surrounds should be positioned symmetrically along the side wall to cover
the depth of the seating area as measured from the center of the front row to the center of the
back row, with each speaker pointed to the ear height of a listener in the most distant seat in the
row just behind the speaker.
19
System Design
6. THX Baffle Wall Design and Construction
For optimal performance with an acoustically transparent screen, the screen channels and
subwoofer(s) should be mounted in a baffle wall. A baffle wall is considered a best practice for
commercial cinemas and is a requirement for all THX certified commercial cinemas and professional
screening rooms. Proper use of a
baffle wall provides the best
combination of imaging, speaker
efficiency, and impactful cinema
sound.
Baffle wall installation eliminates
frequency response dips caused by
reflections off the back and side
walls, significantly increases the
maximum output capability of the
speakers by 6 dB – equivalent to
four times the power, and creates
an acoustic image the size of the
screen, not the speakers. It also
significantly improves tracking of
sonic images and screen images,
Baffle wall at the Academy Theater in Hollywood, Calif.
avoiding the jumps of sound from
channel to channel often heard in home cinema systems. Further, the baffle wall eliminates
diffraction from speaker cabinet edges, and reduces or eliminates sound reflected back through the
screen and from the back wall behind the screen.
Framing of baffle wall showing P815s and P18s
20
System Design
The method described here is generally considered a standard for baffle wall construction.
However, we recognize that there are alternate methods practiced by some designers that also
produce excellent results. These include (but are not limited to):
Segmented walls with one section per screen speaker. They may be connected or separate, and the
left and right may be angled to provide a toe-in. This is also an option with curved screens.
Curved baffle walls, which provide toe-in and can be used with curved screens.
Partial baffle walls that do not span from floor to ceiling can provide many of the benefits.
The baffle wall should be constructed on a frame of 2x4s, with at least two layers of gypsum board
(sheetrock), and a third top outer layer of a solid sheet material (preferably MDF). It should span
from wall to wall and floor to ceiling. Make certain that it is very rigid. The total thickness should be
at least 1.5”, and the surface layer must be covered with material that is acoustically absorbent and
completely black, with an additional thickness of 1 - 1.5”. Be sure to acoustically treat the space
behind the baffle wall to eliminate resonances.
Baffle wall before installation of acoustical absorber treatment
Three sources of materials suitable for acoustic treatment of the baffle wall surface are:
USA: Owens Corning SelectSound Black Acoustic Board www.owenscorning.com/around/sound/commercial_acoustics/black-acouboard.asp
USA: CertainTeed AcoustaBoard / ToughGard Rigid Liner Board http://www.certainteed.com/products/insulation/fiber-glass-insulation/board-products/317353
Europe: Saint-Gobain Ecophon
http://www.ecophon.com/en/products/Vertical-applications/Akusto/Akusto--Wall-A/
21
System Design
Completed Procella baffle wall at CEDIA Expo with wood blocks for screen mounting
For each screen speaker, a cutout must be made appropriate for the
dimensions of the speaker. The baffle wall cutout dimensions for each
Procella model can be found on the individual tech sheets located in
Appendix A of this document. For height, the speakers should be
located so that their acoustic centers (the line at the lower edge of the
waveguide and the top of the grille) are at 5/8 of the distance from
the bottom of the screen to the top. Avoid locating the right and left
speakers too close to the side walls. Make sure you have the correct
locations – you won’t be able to move the speakers once they are
installed!
There should also be a cutout for mounting the subwoofer(s), which
should be located in the baffle wall and resting on the floor to take
advantage of room loading. Do not locate the subwoofer in the center
of the baffle wall. It should be offset to one side or the other. If two
subwoofers are used, they should be an asymmetrical distance from the center of the baffle wall
and from the right and left room walls.
Support for the screen speakers must be provided by platforms mounted to the baffle wall frame.
These platforms, or shelves, must be absolutely horizontal, have sufficient strength to support the
weight of the speakers and have enough solidity to be completely free from vibration and rattles.
All screen mounts also need to be secure and rattle and vibration-free. Do not create an enclosure
around the speaker – only a shelf for it to rest on. Use the provided Procella insulation feet for each
speaker, which go between the speaker and the platform/shelf. The subwoofer(s) should also be
mounted on Procella insulating feet.
22
System Design
When the left and right speakers are placed on
their platforms, they should be toed-in slightly
towards the center line of the room, with a
greater angle for small rooms and a lesser
angle for large rooms. Make sure you remove
the grilles any time that speakers are located
behind a screen, and in any case where they
will be located behind a fabric wall surface
used to conceal the speakers. We also strongly
suggest that the speakers be secured to the
back wall of the room with heavy-gauge wire or
the equivalent.
Make certain that the wall opening around the
speakers is filled and resilient, meaning that
Rear view showing speaker platforms
once the speakers are in their final location, the
gaps between the speakers and the cutout in the baffle wall should be gasketed with sound
absorbing material such as insulation or dense foam. The space does not need to be sealed; just
filled.
Take care to see that the subwoofer does not cause any rattles by
being in contact with the baffle wall, the frame supporting the fabric
on the face of the wall, the screen, or any other object. Procella
subwoofers generate a lot of energy, so be sure to test for this once
everything is in place.
You must allow for air circulation and access to the amplifier/control
panels when using the P815 and for each subwoofer model. The
amplifier panels for all models are located on the left side of the
cabinets when viewed from the front. The P815, P18, P15 and P10
also have ventilation holes on the left side of the cabinet, both above
and below the amplifier panel. In addition, the P815 and P18 have a quiet temperature-controlled
cooling fan that will activate as needed.
Alternative to a Baffle Wall
When it is not possible or practical to construct a full baffle wall, a less complicated option that
provides many of the benefits of a baffle wall can be achieved by flush-mounting the speakers on
the existing front wall of the room and treating that wall with the acoustic treatment materials
described above. The material should be at least 2 inches and preferably 4 inches deep, and should
cover the entire wall with the exception of the speaker front baffles and the screen. The wall can
be covered with acoustically transparent fabric to conceal the absorbing material and the speakers.
23
Speaker Installation
The P5 is designed for wall mounting and stand/shelf
mounting on or next to a wall. Ideally, the back of the
speaker should be one to five inches from the wall. The
P5 uses a circular waveguide, which means that the
speaker can be oriented either vertically (tall) or
horizontally (wide). When the speaker is not flush
mounted on a wall, the front left and right speakers
can be toed in towards the center of the room for
optimal imaging.
For the best sound quality, the vertical angle between
the location of the tweeter and the listeners’ ears
should be kept to 30° or less above or below ear level.
If necessary or desired, the speakers may be mounted
so that they tilt vertically. Typically, the speakers
should be aimed directly at or slightly above the prime
seating location. In large rooms or rooms with a large
listening area, the standard is to aim the speaker
vertically at a point 2/3 the depth of the seating area.
Mounting on a Wall
When used with a solid projection screen or flat panel display, the P5 can be placed above or below
the screen. Our recommendation is that whenever possible, the speakers should be placed above
the screen. While the center channel can be placed at a different height than the right and left
speakers, the best sonic imaging occurs when all three speakers are at the same height. Any time
the front speakers are not mounted at the same height, the height difference among the speakers
should be kept to a minimum. Avoid mounting the speaker so that its woofer is an equal distance
from the ceiling and side wall. We recommend the B-Tech BT33 bracket for wall and ceiling
mounting of the P5. It attaches to the back panel keyholes for horizontal or vertical mounting.
Speaker Stands
On stands, the P5 should be positioned about 1 to 5 inches from the back wall. They should
typically be set up so that their tweeters are at ear height. When this is not possible because the
stand for the left and right speakers would place the center channel in front of the screen, try to
keep the differences in height between the center and left/right speakers to a minimum. If the
stands allow for vertical adjustment, be sure the tweeters are aimed at the listeners’ ears. Stands
with such adjustability that are relatively short in height would help minimize the height difference
between the center and left/right speakers.
24
During installation, check the distances from the speaker to the floor, to the side walls and to the
back wall. Each of these distances should be different, preferably by a foot or more, to minimize
sharp dips in the speaker’s response as heard at the listening position that are caused by half-wave
cancellation from early reflections.
P5 as a Surround and 3D Audio Height Channel Speaker
The P5 can be used as a surround speaker when the P6/6V/6iW, P8 or P28 are used as screen
channels, and of course can be used with P5 screen channels for a system with identical speakers
for all channels. When used as surrounds, the P5 can be mounted flush to the wall or on brackets,
with the tweeter above the woofer. The integral hanging systems is ideal for flush mounting. For
details, see the Wall Mounting section on page 50.
For 3D Audio system overhead channels, the P5 provides an ideal circular radiation pattern of 80
degrees, due to its circular waveguide.
For details on surround speaker location, see the discussions above. Note that the P5 is designed to
produce good response at angles up to 30° off the tweeter axis. When the speakers are mounted
close to the ceiling, the area above the speaker should be acoustically treated.
P5 Crossover to Subwoofer
The P5 is not a full-range speaker, so the low frequencies for each channel using a P5 should be
redirected to the subwoofer. For the crossover to the subwoofer, a high-pass filter between 80 and
120 Hz with a 12 dB/octave Linkwitz-Riley characteristic is ideal. The internal crossover setting for
the receiver or processor should be SMALL, with the frequency set to between 80 and 120 Hz. For
high power applications, use 120 Hz. The higher the filter (crossover) frequency, the greater the
output and dynamic range of the P5.
Break-In Period
The P5 will benefit from a break-in period before its first use. Right out of the box, it will not
perform to its full potential until it has been operated for a period of time. Tonal balance, clarity,
sensitivity and output will all improve after several hours of playing program material or pink noise
test signals. If possible, the break in should be for a continuous period at SPL in excess of 75 dB.
Recommended minimum break-in time:
5 hours for the P5.
More details on the P5 can be seen in Appendix A at the end of this document.
.
25
8. P6 and P6V Installation Guidelines
The P6 and P6V are identical save for their respective cabinet orientations and shape. The original
P6 uses a wide cabinet format, and the newer P6V uses a tall cabinet format. Either version can be
used to produce the same acoustical performance, with the choice determined according to the
design requirements of a given system. For simplicity, we will refer to both versions as P6 in this
handbook.
Both versions provide users with two mounting options – in wall and on wall. We do not
recommend mounting the speakers on stands away from walls because they are voiced for wall
placement. For screen channel use, the ideal installation condition is mounting in a baffle wall, but
the speaker can also be flush mounted on a wall or placed against a wall on speaker stands. The P6
should always be installed so that the tweeter and woofer are vertically oriented, with one above
the other as shown in the photos above. When the speaker is not flush mounted on a wall, the
front left and right speakers should be toed in towards the center of the room for optimal imaging.
For the best sound quality, the vertical angle between the location of the tweeter and the listeners’
ears should be kept to 30° or less when the speaker is above and 5° or less when the speaker is
below ear level. If necessary or desired, the speakers may be mounted so that they tilt vertically.
Typically, the speakers should be aimed directly at or slightly above the prime seating location. In
large rooms or rooms with a large listening area, the standard is to aim the speaker vertically at a
point 2/3 the depth of the seating area.
Baffle Wall
Mounting the P6 in a baffle wall enables the speaker to produce an additional 6 dB of output at low
frequencies. When the speakers are mounted in a baffle wall, behind an acoustically transparent
screen, they should be placed so that their acoustical center is at 5/8 of the screen height as
26
measured from the bottom of the screen. The acoustical center of the P6 is the lower edge of the
waveguide.
When installing the P6s in a baffle wall, be sure to use the insulation feet. The left and right
speakers should be toed-in towards the center of the room. Always remove the grilles when the
speakers will be used behind a screen. See the Baffle Wall section on page 20 for detailed
instructions and more information.
Flush Mounting on a Wall
the screen. Our recommendation is that whenever possible, the speakers should be placed above
the screen. While the center channel can be placed at a different height than the right and left
speakers, the best sonic imaging occurs when all three speakers are at the same height. Any time
the front speakers are not mounted at the same height, the height difference among the speakers
should be kept to a minimum. Avoid mounting the speaker so that its woofer is an equal distance
from the ceiling and side wall.
Speaker Stands
If it is necessary to mount the P6 on stands away from a wall, you will need to check the frequency
response of the speakers at the listening position and apply any necessary equalization to the low
end of the speakers. It will also be useful to set the subwoofer crossover to a higher frequency of
90 or 100 Hz.
On stands, the P6 should be positioned about 2.5 to 3.3 feet or 0.8 to 1.0 meters from the back
wall. They should typically be set up so that their tweeters are at ear height. When this is not
possible because the stand for the left and right speakers would place the center channel in front
of the screen, try to keep the differences in height between the center and left/right speakers to a
minimum. If the stands allow for vertical adjustment, be sure the tweeters are aimed at the
listeners’ ears. Stands with such adjustability that are relatively short in height would help minimize
the height difference between the center and left/right speakers.
During installation, check the distances from the speaker to the floor, to the side walls and to the
back wall. Each of these distances should be different, preferably by a foot or more, to minimize
sharp dips in the speaker’s response as heard at the listening position that are caused by half-wave
cancellation from early reflections.
P6 as a Surround Speaker
The P6 can be used as a surround speaker when the P815 or P8 are used as screen channels, and of
course can be used with P6 screen channels for a system with identical speakers for all channels. In
many cases, such as when the speakers will be concealed in architectural columns, the P6V may be
preferred due to its narrower width. When used as surrounds, the P6 should be mounted flush to
27
the wall, with the tweeter above the woofer. The provided bracket is ideal for flush mounting. For
details on using this bracket, see the Wall Mounting section on page 50.
produce good response at vertical angles up to 30° below the tweeter. When the speakers are
mounted close to the ceiling, the area above the speaker should be acoustically treated.
redirected to the subwoofer. For the crossover to the subwoofer, an 80 Hz high-pass filter with a 12
dB/octave Linkwitz-Riley characteristic is ideal. This is the same filter called for in THX
specifications, so when using a THX processor or receiver, set the filter/crossover to the THX
position. With non-THX components, set the crossover to SMALL, and if you are able to select the
frequency, choose 80 Hz. Higher crossover frequencies can also be used if needed.
Break-In Period
5 hours for the P6.
More details on the P6 and the P6V can be seen in Appendix A at the end of this document.
28
9. P6iW Installation Guidelines
Procella’s in-wall/in-ceiling speaker gives performance identical to the P6 and P6V in a package that
integrates attractively into any room environment. Unlike speakers with molded plastic baffles, the
P6iW is constructed of medium density fiberboard and incorporates an integral back box. The only
distinction between it and the standard versions of the P6 is that the P6iW circular waveguide is
circular rather than elliptical. This 80° circular radiation pattern enables in-wall installation of the
speaker with either a vertical or a horizontal orientation. Further, for in-ceiling placement, its
circular radiation pattern is ideal (especially for Atmos, DTS:X and Auro 3D overhead speakers), and
superior to that of dome tweeters, even when aiming mechanisms are used.
Installation of the P6iW
The P6iW secures to the wall through a clamping mechanism that uses four spring-loaded wall
clamps, one in each of the four corners. The wall cutout size is 17” / 432mm x 11.5”/ 292mm. Take
care to cut the wall accurately.
To install the speaker, first bring the speaker wires
through the wall cutout and secure them. They will be
attached after the speaker is installed. Set the
speaker into the cutout, routing the wires through
the cutout at the bottom center of the baffle.
Tighten each mounting screw until its mounting
clamps expand after being released from the metal
housing (see adjacent photo). Once all four are
released, secure the speaker by tightening each screw
until the clamp engages the back of the drywall. If necessary, the screws can be loosened until the
clamps re-engage the metal housing in order to remove the enclosure from the wall.
29
Once the speaker is secure, attach the speaker wires to the large gauge spring-loaded input
terminals on the front baffle just above the pass-through. Push any loose wire back through the
pass-through. The final step is to attach the speaker grille, which is held in place magnetically. If
you are installing the speaker in a ceiling, see Ceiling Mount Precautions below.
For ease of service, the drivers and crossover are mounted on a separate removable baffle, secured
to the enclosure/back box assembly by 10 screws. If desired, this baffle can be removed after
installation of the baffle/back box for safe storage until room construction is complete.
L-C-R Channel Use
When used with a solid projection screen or flat panel display, the P6iW can be placed above or
below the screen. Our recommendation is that whenever possible, the speakers should be placed
above the screen. While the center channel can be placed at a different height than the right and
left speakers, the best sonic imaging occurs when all three speakers are at the same height. Any
time the front speakers are not mounted at the same height, the height difference among the
speakers should be kept to a minimum. Avoid mounting the speaker so that its woofer is an equal
distance from the ceiling and side wall.
Dolby Atmos, DTS:X, Auro 3D: Using the P6iW as a Height Speaker
The P6iW was designed with overhead mounting for 3D Audio in mind. Its wide-dispersion, wide
dynamic range and high output are ideal for high-performance Atmos, DTS:X and Auro 3D
installations.
One of the primary requirement for overhead speakers is wide dispersion, which is essential for
proper coverage throughout the listening area. Timbre-matching among all speakers in a 3D Audio
system is particularly important, meaning that each listener should hear a tonal balance from the
overhead speakers as similar as possible to all the other speakers. This requires wide dispersion at
high frequencies from the speakers located overhead. The P6iW produces a near-ideal circular
dispersion pattern of 80 degrees because its high frequency compression driver is mounted on a
circular waveguide that produces an 80 degree cone of sound.
Dolby recognizes that many speakers will not meet their recommendations for wide dispersion,
and in these cases encourages that the speakers be angled toward the listening positions. The P6iW
requires no aiming when it is mounted flush in the ceiling and pointing straight down.
Other key requirements for Atmos overhead speakers are to have output and power handling
commensurate with the main speakers. Dynamic program material can require high output levels
from the overhead channels, and limitations of underperforming speakers will be quickly exposed.
The P6iW uses the identical components as the Procella P6 box speaker, making it a 2 meter THX
Cinema reference level loudspeaker, equivalent to the Home THX Ultra output requirement when
using its 80 Hz subwoofer crossover point.
30
Ceiling Mount Precautions – Safety Wire & Grille
Whenever a loudspeaker is mounted in a ceiling, safety considerations are paramount. As the
installer, you are responsible for making certain that the speaker is secured and that applicable
local regulations are complied with. At a minimum, the P6iW must be doubly secured with steel
wire safety cables in addition to the standard clamping mechanism.
Steel safety wire and eyehooks capable of supporting the 22 lb. / 10 Kg weight of the P6iW are
necessary. The wire needs to be run between eyehooks screwed into the P6iW back baffle and a
solid connection to a structural frame element above the ceiling.
In addition, while the magnets provided to secure the grille are powerful, we recommend adding a
couple of small screws to hold the grille in place when the speaker is overhead. One small screw on
each side at the center point about 2” / 50mm from the edge of the grille should do it.
P6iW as a Surround Speaker
The P6iW can be used as a surround speaker when any Procella speaker model is used as the
screen channels. For details on surround speaker location, see the discussions above. Note that the
P6 is designed to produce good response at vertical and horizontal angles up to 30° from the
tweeter. When the speakers are mounted close to the ceiling, the area above the speaker should
be acoustically treated.
P6iW Crossover to Subwoofer
The P6iW is not a full-range speaker, so the low frequencies for each channel using a P6iW should
be redirected to the subwoofer. For the crossover to the subwoofer, an 80 Hz high-pass filter with a
12 dB/octave Linkwitz-Riley characteristic is ideal. This is the same filter called for in THX
Break-In Period
The P6iW will benefit from a break-in period before its first use. Right out of the box, it will not
5 hours for the P6iW
More details on the P6iw can be seen in Appendix A at the end of this document.
31
The P8 is designed for baffle wall mounting and flush mounting on a wall. It is not designed for use
on speaker stands or away from walls. For screen channel use, a baffle wall is the preferred method
of mounting. The P8 should always be installed so
that the tweeter and woofer are vertically oriented,
with one above the other. When the speaker is not
flush mounted on a wall, the front left and right
speakers should be toed in towards the center of
the room for optimal imaging.
For the best sound quality, the vertical angle
between the location of the tweeter and the
listeners’ ears should be kept to 30° or less when
the speaker is above and 5° or less when the
speaker is below ear level. If necessary or desired,
the speakers may be mounted so that they tilt
vertically. Typically, the speakers should be aimed directly at or slightly above the prime seating
location. In large rooms or rooms with a large listening area, the standard is to aim the speaker
vertically at a point 2/3 the depth of the seating area.
Baffle Wall
Mounting the P8 in a baffle wall enables the speaker to produce an additional 6 dB of output at low
frequencies. When the speakers are mounted in a baffle wall, behind an acoustically transparent
screen, they should be placed so that their acoustical center is at 5/8 of the screen height as
measured from the bottom of the screen. The acoustical center is the lower edge of the waveguide.
When installing the P8s in a baffle wall, be sure to use the insulation feet, and always remove the
grilles when the speakers will be used behind a screen. The left and right speakers should also be
toed-in toward the center of the room. See the Baffle Wall section on page 20 for detailed
Flush Mounting on a Wall
the screen. Our recommendation is that whenever possible, the preferred position is to place
speakers above the screen.
While the center channel can be placed at a different height than the right and left speakers, the
best sonic imaging occurs when all three speakers are at the same height. Any time the front
speakers are not mounted at the same height, the height difference among the speakers should be
kept to a minimum. Avoid mounting the speaker so that its woofer is an equal distance from the
ceiling and side wall.
32
The P8 can be used as a surround speaker with the P860, P815 and P610 screen channel speakers,
as well as with P8 screen channels, which would produce a system with identical speakers for all
channels. When used as a surround, the P8 should be mounted flush to the wall, with the tweeter
above the woofer. The provided bracket is ideal for flush mounting. For details on using this
bracket, see the Wall Mounting section on page 50.
produce good response at vertical angles up to 30° below the tweeter. When the speakers are
mounted close to the ceiling, the area above the speaker should be acoustically treated.
Break-In Period
15 hours for the P8.
THX Approval
The P8 is THX Approved for integration into professional facilities, including THX Approved
Screening Rooms and pm3 Rooms (Professional Multichannel Mixing and Monitoring). This enables
its use in THX Certified Screening Rooms for residential applications as well.
33
11.
P28 Installation Guidelines
The P28 is a high performance, very high output speaker.
The P28 is designed for baffle wall mounting and custom
wall mounting using a third party or custom bracket. It is
not designed for use on speaker stands or away from walls.
For screen channel use, a baffle wall is the preferred
method of mounting. The P28 should always be installed
with a vertical (tall) orientation. When the speaker is not
flush mounted on a wall, the front left and right speakers
should be toed in towards the center of the room for
optimal imaging.
The P28’s D’Appolito design creates an optimum vertical
listening window of 35°. For the best sound quality, the
vertical angle between the location of the tweeter and the
listeners’ ears should be kept to 15° or less above or below
ear level. If necessary or desired, the speakers may be mounted so that they tilt vertically. Typically,
the speakers should be aimed directly at or slightly above the prime seating location. In large
rooms or rooms with a large listening area, the standard is to aim the speaker vertically at a point
2/3 the depth of the seating area.
Baffle Wall
Mounting the P28 in a baffle wall enables the speaker to produce an additional 6 dB of output at
low frequencies. When the speakers are mounted in a baffle wall, behind an acoustically
transparent screen, they should be placed so that their acoustical center is at 5/8 of the screen
height as measured from the bottom of the screen. The acoustical center is the lower edge of the
waveguide.
grilles when the speakers will be used behind a screen. The left and right speakers should also be
toed-in toward the center of the room. See the Baffle Wall section on page 20 for detailed
Mounting the P28
There is no mounting bracket provided with the P28. However, there are two M6 threaded inserts
located on the back baffle of the loudspeaker that are used to mount the P28 on a Procella V6 to
create a Procella P860. These threads are spaced 250mm apart vertically. See the drawing in
Appendix A of this document for the exact locations.
34
For very large rooms, the P28 can be used as a surround speaker, typically with the P860, which
would produce a system with identical speakers above 80 Hz for all channels. A suitable mounting
bracket or custom flush mounting will be required, as we do not provide a mounting bracket with
the P28.
For details on surround speaker location, see the discussions above. Note that the P28 has limited
vertical directivity because of its D’Appolito design.
Break-In Period
More details on the P28 can be found in Appendix A at the end of this document.
35
The P610 is a very high performance, high output loudspeaker that will produce reference quality
audio in the finest home cinemas. It will typically be used in a baffle wall, behind an acoustically
transparent screen. It can also be used as a free-standing
speaker, either for home cinema applications, or for
high-resolution multichannel or two channel playback.
The P610 uses a P6 mid/high frequency module and a
P10Si low frequency module. The P6 is a standard
Procella P6, securely mounted to the top of the P10Si by
a mounting bracket. The bracket allows horizontal
rotation of the P6 for toe-in purposes, up to about 20
degrees.
Each cabinet has a separate set of binding post inputs for
biamplification. The P610 requires two sets of speaker
cables to be run from the power amplifier to the
loudspeaker. DSP is required for the low
frequency/midrange crossover (the midrange/high
frequency crossover is passive and built into the upper
cabinet). The Procella DA-2800 DSP four-channel
amplifier (DSP version) has the necessary DSP crossover
settings and is the specified amplifier for the P610. See
Section 19 on page 57.
In any installation, always use the provided vibration isolation mounting feet under the cabinet.
Baffle Wall
Mounting the P610 in a baffle wall enables the speaker to produce at least an additional 4 dB of
output at low frequencies. When the speakers are mounted in a baffle wall, behind an acoustically
waveguide on the P6 cabinet (mid/high frequency module).
When installing the P610 in a baffle wall, be sure to use the insulation feet, and always remove the
grilles when the speakers will be used behind a screen. The P6 top cabinet of the left and right
speakers should be toed-in towards the center of the room, and the bracket allows for rotation of
the cabinet. See the Baffle Wall section on page 20 for detailed instructions and more information.
36
P610 Full-Range Operation and Crossover to Subwoofer
The P610 meets cinema standards as a full-range speaker, with low frequency extension to 45 Hz or
below, depending on the installation. Because of this extension below the commonly used 80 Hz
crossover point, the speaker is best operated with the processor set to use the FULL-RANGE or
LARGE speaker setting for each channel using the P610, with the Subwoofer set to YES or ON. If
possible, set the processor so that the low-pass for the subwoofer is below 50 Hz.
We do not recommend using an 80 Hz crossover (SMALL speaker setting) or below 80 Hz with the
P610. The crossover in most processor/receivers (and all THX components) will not operate
correctly, and the mismatch will be audible.
In addition to matching the reference configuration of dubbing stages, with full-range speakers, the
low frequencies between 40 and 80 Hz radiate from three locations, which improves the soundfield
and uniformity of frequency response throughout the room. Distortion is also lower in that range
with more drivers operating. You will hear a more coherent and impactful sound from the screen
channels.
Break-In Period
37
The P815 is a very high performance, high output loudspeaker that will produce reference quality
audio in the finest home cinemas. It will typically be used in a baffle wall, behind an acoustically
transparent screen. It can also be used as a floor standing speaker, either for home cinema
applications, or for high-resolution multichannel
or two channel playback.
Two versions are available. The standard P815 is
biamplified with onboard amplification, and the
P815-FP requires outboard biamplification with
the Procella DA-2800 four-channel amplifier.
The P815 uses a P8 mid/high frequency module
and a LF815 low frequency module. The P8 is a
standard Procella P8, securely mounted to the top
of the LF815 by a mounting bracket, and
connected with an umbilical cable. There are two
mounting brackets options. The vast majority of
cases will use the 7° Bracket, which supports the
P8 so that its front baffle is perpendicular to the
floor. Where the high frequency radiator needs to
be angled down to properly aim at the listening
area (very large rooms), the 0° Bracket supports
the P8 so that it angles downward at a 7° angle
(the natural angle of the cabinet). If you do not
have the necessary bracket, contact Procella
Audio or your distributor.
Both bracket versions allow horizontal rotation of the P8 for toe-in, up to about 20 degrees.
Other Considerations
In installation, take care to insure that there is sufficient space for airflow around the amplifier. The
amplifier is located on the left side of the LF815 low frequency module cabinet. Slots on the top
and the bottom of the left side of the LF815 cabinet provide the ventilation, and there is a quiet
cooling fan located behind the slot filled with foam. It is normal for the amplifier to be rather warm
to the touch and for the fan to operate. It is set to start at 60°C and will switch off and on as
needed. There is a warning LED that will blink if the amplifier reaches 80°C.
Yes, the slots can be used as hand grips to make the cabinets easier to move! Just be careful when
using the slot with foam in it, so that you don’t dislodge the foam.
38
Baffle Wall
waveguide on the P8 cabinet (mid/high frequency module).
grilles when the speakers will be used behind a screen. The left and right P8 modules should be
toed-in towards the center of the room. See the Baffle Wall section on page 20 for detailed
channels.
Break-In Period
DSP and Level Controls
For operation of the P815’s Level and DSP controls, please see the separate Procella DSP and
Amplifier Controls section on page 53.
39
Using the P815-FP with the Procella DA-2800DSP Outboard Amplifier
The P815-FP offers a solution for installations where it is desirable to place power amplifiers in the
rack and/or to avoid having amplifiers behind a screen. This speaker is identical to the P815, except
for the fact it has no onboard amplifiers. The speaker must be used with a Procella DA-2800 DSP
power amplifiers, with two sets of speaker cables running from the amplifier to the speaker. The
P815-FP can be special ordered from Procella Audio or an authorized distributor. See Section 19 on
page 57 for information on the DA-2800DSP, and for system configuration information, see the DA2800 User Guide.
THX Approval
40
The P860 is an extremely high performance, extremely high output loudspeaker that will produce
reference quality audio in the largest home cinemas, screening rooms and in small to mid-size
commercial cinemas. It will typically be used in a baffle wall, behind an acoustically transparent
screen. It can also be used as a floor standing speaker
when maximum output and resolution are required,
whether for home cinema applications or for multichannel
and two channel music playback.
The P860 uses a P28 mid/high frequency module and a V6
low frequency module. The P28 uses the same
compression driver as the P8, adding a second 8 inch
woofer in a D’Appolito configuration for increased output.
The V6 module contains six 10 inch woofers mounted in a
push-pull V-configuration that increases output and lowers
harmonic distortion. The P28 mounts securely to the V6
enclosure with a mounting bracket that allows the P28
module to be rotated horizontally for toe-in, up to about
20 degrees.
Biamplification
The P860 must be biamplified with the Procella DA-2800
DSP four-channel power amplifier. The amplifier must be
pre-configured for the P860. A complete amplifier (four
channels total) is required for each P860. One channel
connects directly to the P28 mid/high frequency module,
and the remaining three channels connect to the V6 lowfrequency module through three sets of binding posts. This
requires four sets of speaker cables running from the
amplifier to each P860. See Section 19 on page 57 and the
DA-2800 User Guide for the proper preset configuration
with the P860.
Because of the complexity and expense involved with P860 system projects, we will be happy to
provide additional assistance and guidance for both the planning and installation phases of these
projects. Please contact us in advance so that we can help to ensure the highest possible
performance with this speaker.
41
As with all other Procella speakers, always use the provided vibration isolation mounting feet under
the P860/V6 cabinet.
Baffle Wall
waveguide on the P28 enclosure (mid/high frequency module).
When installing the P860 in a baffle wall, be sure to use the insulation feet, and always remove the
grilles when the speakers will be used behind a screen. The left and right P28 modules should be
toed-in towards the center of the room. See the Baffle Wall section on page 20 for detailed
channels.
Break-In Period
42
15. Subwoofer Installation Guidelines: P10, P12, P15, P18, P10Si
These instructions and recommendations
apply to all Procella subwoofer models.
Guidelines for selecting the proper model and
number of subwoofers to be used in a given
system can be found in Selecting the Proper
Procella Speaker Models on page 12. If you
have additional questions or need more
guidance with subwoofer installation, please
contact us. We also strongly recommend the
use of an experienced acoustical designer
when a project’s budget allows.
Location of the Subwoofer(s)
The very shallow depth form factor of Procella subwoofers gives installers a great deal of flexibility
in determining where they can be located in a room. To also increase installer flexibility, we have
located the input connectors and controls for the P10, P15, and P18 on the left side of the cabinet,
enabling installation directly against walls. The P12 input connectors and amplifier controls are
recessed on the back panel of the subwoofer, also allowing placement directly against walls.
Finding the ideal location for a subwoofer, particularly in smaller rooms, can be a challenge. The
greater the number of seats in a room, the greater the challenge. Therefore, experimentation with
placement before final installation is highly recommended. Whenever possible, response
measurements should be taken at the listening position rather than relying solely on a subjective
listening analysis. When there are multiple seats in the room, the goal should be to minimize the
variance of response among the seats with subwoofer placement. Optimizing for a single seat will
cause a great deal of variation in response in the other seats.
For practical and performance reasons, the subwoofer should rest on the floor, placed against or
very close to one or more room walls. The front wall is the preferred location. Subwoofers can also
be built into a wall. We recommend starting with a single subwoofer against the front wall in an
off-center position, either to the left or to the right of the center channel speaker. Generally
speaking, it is not a good idea to place a single subwoofer at the center point of the screen or room
front wall (or at the center point of any wall). In most rooms, center wall placement will produce
significant cancellation of low frequencies due to a null. Placing the subwoofer against the front
wall in an off-center position typically produces smoother bass than a center position.
In any case, placement against a wall produces increased SPL because this placement allows the
subwoofer to couple with the wall, resulting in an extra 3dB of output. Even greater coupling
occurs when the subwoofer is moved into a corner, which produces an additional gain of 3dB. It’s
important to note, however, that the increased output of corner placement comes from driving
room modes to the maximum extent, and may not produce the best result.
43
Another placement consideration is room structure. Subwoofer loading improves with the
structural solidity of the wall it is placed against, so this should be taken into account when
evaluating potential locations. For example, placement against an exterior wall will often give
better results than placement against an interior wall. Avoid locations near doors, windows and
walkways.
Keep in mind a couple of considerations when experimenting with subwoofer placement. The
amplified versions of the P10, P12, P15 and P18 Procella subwoofers have controls that optimize
the subwoofer’s response for the room boundary condition of its location, so you may need to
change DSP settings when you move a subwoofer to a different location. See Procella DSP and
Amplifier Controls on page 53 for details. Also, remember that when you move a subwoofer closer
to or farther away from a wall or a corner, the overall level of the subwoofer will change, which
may require an adjustment of the subwoofer output level.
Multiple Subwoofers
We strongly recommend the use of multiple subwoofers. When a system has multiple seating
positions (except in an auditorium-sized space), bass quality and levels will change significantly
from seat to seat whenever a single subwoofer is used. This is because of the nature of small room
acoustics. A good solution to this problem is to use additional subwoofers to smooth out the room
modes, which produces a flatter response and minimizes the differences among the listening
positions. Further benefits of multiple subwoofers include more dynamic range and lower
distortion for any given playback level.
To optimize response among the seats, each subwoofer should be placed in a different location.
Generally, when multiple subwoofers are used, they should be placed asymmetrically along the
room’s boundaries, although there are some computer models for multiple subwoofer
configurations that call for symmetrical placement. Because the acoustics of rooms vary so greatly
and cannot be modeled in any practical way, it is very difficult at best to predict the best placement
for any given room. However, there are a few combinations that you may find useful as a starting
point when deploying multiple subwoofers in a room.
Two subwoofers
- Front and side – one subwoofer on the front wall, between the center and either the right or the
left speakers, and the other on either side wall, at a different distance from the front wall as the
first subwoofer is from the side walls.
- Front and back – one subwoofer centered on front wall and the second centered on the back wall.
This technique can also be used with each woofer centered on a side wall.
Four subwoofers
- Midpoints – each subwoofer is located at the midpoint of a wall, with the main subwoofer against
the front wall. The main subwoofer can also be offset from the center position.
44
- Corners – each subwoofer is located in a corner. Requires a room with four corners and no
adjacent doors.
For additional guidance, please contact us or an experienced acoustician. When using more than
one subwoofer, it is acceptable to use a larger model (say, the P18) as the main subwoofer and
smaller models (P15, P12, P10 or P10Si) in the secondary or ‘balancing’ locations. The P10Si was
specifically created for use as a balancing subwoofer, designed with a compact enclosure size that
facilitates both placement and concealment. See the section below for a more detailed discussion
of the P10Si and its use.
There is an alternate potential benefit to using more than one subwoofer. When the goal is to
achieve the greatest efficiency and maximum output, you can place the subwoofers in close
proximity. The subwoofers’ outputs will couple, resulting in a total of 3 dB more output than they
would produce when placed in separate room locations. When using this technique, to avoid
buzzing or other undesirable noises, do not allow the cabinets to contact each other unless they
are securely connected. Bear in mind that placing the subwoofers in the same room location will
not provide the response smoothing benefit discussed above where multiple subwoofers are
placed in different locations.
Baffle Wall
An excellent location for the main subwoofer(s) is in a baffle wall. This produces the same 3 dB
coupling gain that exists with placement against a wall. Additional subwoofers may be located in
other parts of the room, but when a baffle wall is used, the main subwoofer(s) should always be
located in the baffle wall.
When installing the subwoofer in a baffle wall, be sure to use the insulation feet under the cabinet.
Always remove the grilles when any Procella speaker will be used behind a screen. See Baffle Wall
on page 20 for detailed instructions and more information.
Subwoofer Crossover
There is no crossover or low-pass filter built into Procella subwoofers, so the input signal must be
low-pass filtered in the processor, preamp or external DSP/electronic crossover. The crossover
frequency depends on the main and surround speakers being used, but will typically be 80 Hz. 80
Hz is the correct frequency for the P6/6V/6iW and the P8. The compact P5 can use a higher
crossover frequency up to 120 Hz for high power applications. For the full-range P815 and P610, a
crossover is not necessary. If a crossover is used, the frequency should be no lower than 40 or 45
Hz. The low-pass filter should have a 24 dB/octave Linkwitz-Riley characteristic.
Always use a single common bass channel to feed all subwoofers. Do not use a stereo bass
configuration with separate left and right subwoofers or feed a subwoofer with only the surround
channel bass content. Doing so will eliminate most of the benefits of multiple subwoofers discussed
45
above and will produce inconsistent and unpredictable results, including a different frequency
response for each subwoofer as heard and measured from each seat in the room.
The standard version of each Procella active subwoofer has an onboard power amplifier, which is
located on the left side of the amplifier cabinet (as viewed from the front). Also available are the
P18-FP, P15-FP, and P10-FP, and V6, which require outboard amplification using the Procella DA2800 four-channel power amplifier. The P12 is available only in an amplified version. See more
information on the FP versions on the next page.
For the standard onboard amplifier versions, take care in installation to insure that there is
sufficient space for airflow around the amplifier. For ventilation, there are cutouts located near the
top and the bottom of the left side of the cabinet. In addition, the P18 has a quiet cooling fan,
which is located behind the cutout filled with foam. It is normal for the amplifier to be rather warm
to the touch and for the fan to operate. It is set to start at 60° C and will switch off and on as
needed. There is a warning LED that will blink if the amp reaches 80° C.
The cutouts can be also used as hand grips when you need to move the cabinet! When moving the
P18, be aware that one of the cutouts is loaded with foam. Take care not to dislodge that foam.
And be extremely careful when moving subwoofers— the P12 is about 50 lbs., the P10 is about 60
lbs., the P15 is about 90 lbs., and the P18 is 220 lbs.!
Removing the grille on the P10, P12, P15, and P18 will eliminate any possibility of audible
resonance from the grille or grille fabric and is highly recommended, especially for the P15 and
P18.
Break-In
Procella subwoofers will benefit from a break-in period before their first use. Right out of the box,
they will not perform to their full potential until they have been operated for a period of time.
Tonal balance, clarity, sensitivity and output will all improve after several hours of playing program
material or pink noise test signals. If possible, the break in should be for a continuous period at SPL
in excess of 75 dB.
P10, P10Si, P12 and P15
10 hours
P18
20 hours
DSP and Level Controls
For operation of the Level and DSP controls for each subwoofer, please see the Procella DSP and
Amplifier Controls section on page 53.
46
Using P18-FP, P15-FP, P10-FP with the Procella DA-2800DSP Outboard Amplifier
The FP versions of the P18, P15 and P10 offer a solution for installations where it is desirable to
place power amplifiers in the rack and/or to avoid having amplifiers behind a screen or wall. These
subwoofers are identical to the standard versions, except for the fact they have no onboard
amplifiers. These subwoofers can be used with a Procella DA-2800 DSP power amplifier, and two
sets of speaker cables must be run from the amplifier location to each subwoofer. See Section 19
on page 57 for information on the DA-2800DSP, and for system configuration information, see the
DA-2800 User Guide. To use the FP subwoofers with a non-Procella amplifier, DSP is required to
produce the proper frequency response of the subwoofer. Contact us for specific guidance for
these installations.
The P12 is available only with an onboard amplifier and cannot be used with the DA-2800.
P18 THX Approval
More details on the P10, P12, P15, and P18 can be seen in Appendix A at the end of this document.
47
16. P10Si and Balancing Subwoofers
As discussed above, in screening rooms and home cinemas with multiple seats and a single
subwoofer, the frequency response and SPL at low frequencies will vary, often significantly, from
seat to seat. To tame low frequency room modes and provide more consistent bass response
throughout the listening area, multiple subwoofers can be used, with each placed in a separate
room location. When done properly, this can greatly improve the overall listening experience and
can enable further improvement by making the use of single-channel low-frequency equalization
possible.
The P10Si is designed to facilitate the usage of
multiple subwoofers to produce more
consistent bass performance. Using a single
10 inch driver in a small footprint cabinet that
can be used in either a horizontal or a vertical
orientation, the P10Si has the capability to
improve low frequency performance when
used in combination with any of Procella’s
larger subwoofers, including the P10, P15 and
P18.
When one or more of these Procella
subwoofers is used as a main subwoofer, multiple P10Si subwoofers (typically one to three) can be
placed in different room locations to smooth the low frequency modes of the room. See the
Multiple Subwoofers section above for a discussion of methods of determining where the
additional subwoofers should be located.
The P10Si is a passive subwoofer. Unlike the other Procella subs, there is no onboard amplifier
option. A single pair of speaker cables must be run from a remote amplifier to each location where
a P10Si will be placed. The recommended amplifier power is a minimum of 200 watts at 8 ohms,
with 350 watts preferred. The Procella DA-2800 DSP four-channel power amplifier (DSP version) is
recommended for use with single and multiple P10Si subwoofers. See Section 19 on page 57 for
more information.
Once the variance of response among the seats has been minimized, the use of a single channel of
equalization applied to the main subwoofer channel becomes possible. Without balancing
subwoofers, the seat-to-seat variation is typically too great to be accurately compensated for with
a single EQ channel.
48
Of course, if time and budget allow, individual EQ can be applied to each subwoofer before the
final EQ is applied to the single subwoofer channel, but this sophisticated approach requires a great
deal of calibration time and multiple additional channels of DSP.
While there is no upper limit of the number of subwoofers that can be used in a system (aside from
the obvious space and budget considerations), experience has shown that once there are four
subwoofer locations (two subwoofers in the screen wall would be considered as one location in this
case), the incremental benefit of additional subwoofers decreases quickly.
More details on the P10Si can be seen in Appendix A at the end of this document.
49
17. Wall Mounting of the P6, P6V, P8, and P5
P6/P6V and P8
The Procella P6, P6V and P8 are provided with a wall mounting bracket. This bracket is secured to
the wall through three 3/16” (4.8mm/R3) mounting holes. The mounting hardware is not provided,
so you’ll need three #8 screws for each speaker. The type of screw will be dependent on wall
construction. No hardware is necessary to attach the speaker to the bracket – the bracket fits into a
slot in the back baffle of the speaker. Secure the bracket to the wall using the center hole first to
help ensure that you mount the bracket absolutely level! NOTE: the photo below is of the two-hole
version of the bracket. The current version has a third center hole as shown in the drawing.
For post-construction installation in existing timber or metal framed rooms, we strongly
recommend that one of the bracket
mounting screws be attached to a wall stud.
The slot in the back of the speaker is a
couple of inches wider than the bracket, so
once the bracket is in place, you have a bit of
play to establish the final lateral location of
the speaker. This should help you to find a
stud for one mounting screw. For new construction, make certain that solid blocking is attached to
the wall frame at each speaker location so that both mounting screws can be driven directly into
wood. Whenever possible, it’s best to avoid the use of drywall inserts.
The bracket should be attached to the wall so that the angled flange points up towards the ceiling.
For both the P6/6V and the P8, there must be a 1” (2.5 cm) space above the speaker so that the
speaker can be lifted above the bracket in order to engage the bracket into the slot on the back of
the speaker cabinet.
50
Before attaching the speaker to the bracket, attach the four provided silicone damping spacers to
the speaker. One should be mounted on each corner of the back baffle. These spacers reduce
unwanted vibration transmission and provide spacing for the speaker cable.
The cable outlet in the wall behind the speaker should be located within the area of the recessed
connector cup on the back of the speaker. The cup is in the same relative location on both the P6
and the P8 – centered 4” (100mm) from the left edge and 3” (75mm) from the top edge of the
speaker cabinet. The P6V cup is centered from left to right and 3.1” (80mm) from the bottom edge
of the speaker cabinet. The Product Tech Sheets in Appendix A detail the location of both the
mounting slot and the connector cup for all models.
To attach the speaker, simply lower the speaker so that the flange engages the slot in the back of
the speaker. Make sure that the flange is fully engaged in the slot and that the bottom of the
speaker is in contact with the wall surface, and that there is no risk that the loudspeaker can be
pushed from below up and off the bracket. If there is any doubt, take additional steps to secure the
speaker so it cannot be pushed upwards.
For the P6, the center line of the bracket holes is 55mm (2.17”) below the acoustical center of the
loudspeaker (bottom edge of the waveguide).
For the P6V, the center line of the bracket holes is 15mm (.59”) above the acoustical center of the
For the P8, the center line of the bracket holes is 15mm (.59”) above the acoustical center of the
Allow for a variation of up to 3mm on these dimensions due to variation in the screws used and the
actual bracket mounting.
When mounting the P6 or the P8 behind an acoustically transparent screen, the acoustical center
(bottom edge of the waveguide) should be at a height 5/8 of the distance from the bottom of the
screen to the top of the screen.
P5 Wall Mounting
The back baffle of the P5 has two integral keyhole mounts. One is provided for horizontal
mounting of the speaker and the other is provided for vertical mounting of the speaker. One of
these will be used to hang the speaker on a single mounting screw.
A stud mount is always preferred, but when necessary a wall insert can be used as long as it is
capable of handling the 10 lb./4.5 Kg weight of the P5.
Before attaching the speaker to the bracket, attach the four provided silicone damping spacers to
the speaker. One should be mounted on each corner of the back baffle. These spacers reduce
unwanted vibration transmission and provide spacing for the speaker cable.
51
The cable outlet in the wall behind the speaker should be located within the area of the recessed
connector cup on the back of the speaker. See the adjacent drawing or the P5 Tech Sheet in
Appendix A for the exact location of mounting slot and the connector cup.
The recessed part of the cup is 70mm (2.76”) wide and
located 45mm (1.77”) from the left side of the back
baffle and 55mm (2.17”) from the right side of the back
baffle. For vertical (tall) mounting, the mounting screw
location is the center of the cabinet, 53mm (2.09”) from
the top of the cabinet. For horizontal (wide) mounting,
the mounting screw location is 144mm (5.67”) from the
left side of the cabinet (woofer side) and 38mm (1.5”)
from the top of the cabinet.
To attach the speaker, simply lower the speaker so that
the mounting screw engages the slot in the back of the
speaker. Make sure that the screw is fully engaged in
the slot and that the bottom of the speaker is in contact
with the wall surface, and that there is no risk that the
loudspeaker can be pushed from below up and off the
bracket. If there is any doubt, take additional steps to
secure the speaker so it cannot be pushed upwards.
For mounting with an adjustable bracket, we
recommend the B-Tech BT33 bracket (www.btechavmounts.com). If you have difficulty finding this
bracket, please contact us. This bracket can be used for both wall and ceiling mounts. For wall
mounting, the bracket attaches to the appropriate keyhole mount on the back of the speaker. For
ceiling mounts, use one screw attached to the keyhole and a second screw into the back baffle of
the speaker.
When mounting the P5 behind an acoustically transparent screen, the acoustical center (bottom
edge of the waveguide) should be at a height 5/8 of the distance from the bottom of the screen to
the top of the screen.
52
Amplifiers, Connections and Calibration
18. Procella DSP and Amplifier Controls: P815, P10, P12, P15, P18
All Procella active loudspeakers have built-in DSP control to optimize performance, based on
speaker placement in the room.
Any loudspeaker’s response at mid to low frequencies will be affected by its proximity to room
surfaces. Generally, as a speaker is moved closer a room surface such as a wall, ceiling or the floor,
the total low frequency energy produced by that speaker increases. This takes place due to
acoustical coupling effects and reinforcement by the room’s surfaces. Because the location of a
speaker in any given room cannot be predicted, Procella’s DSP control tunes the response of the
speaker for optimal performance under several room boundary conditions. These products have
DSP control:
Subwoofers
Main Speaker
P18
P15
P10
P12
P815
The P10, P15, P18 and P815 have the same amplifier interface, which is described below. The P12
uses a different amplifier platform with a different set of controls. See page xx for P12 amplifier
information.
Operation (P10, P15, P18, P815)
Located on the control panel of each amplifier is a
button labeled Preset Select. Adjacent to the
button are four green LEDs, each labeled with a
number that identifies a preset. Preset 4 is at the
top and Preset 1 is at the bottom of the stack.
To change the preset, press the Preset Select
button located between the XLR jacks. Each press
of the button advances to the next numbered
preset. The active preset is identified by an
illuminated LED.
NOTE: These presets are for the onboard
amplifiers only. They do not apply to the DA-2800
DSP power amplifier.
53
P18, P15 and P10 Subwoofers
The presets for the P10, P15 and P18 subwoofers have identical functions, although the actual DSP
is tuned for the actual performance of each subwoofer. This chart lists each preset and the
installation condition for which each should be used. Each press of the button advances to the next
preset.
Preset
P18, P15 and P10 Installation Condition
4
Free standing on the floor and away from all walls and corners.
3
Flush mounted in a loudspeaker baffle wall, where the front surface of the
subwoofer should be flush with the surface of the baffle wall.
2
Positioned on the floor and against any wall (front, side, or back).
1
Positioned on the floor and in a corner.
Amplifier Level Control
The Gain control on the amplifier level sets the subwoofer level. The Default setting of “0” is
equivalent to –4 dB, and is at the 12 o’clock position. The Default position should be used when
calibrating the system. The minimum – ∞ position produces no output from the subwoofer, and
the maximum position is 6 dB greater than the Default “0” position.
P815 Main Speaker
The P815’s DSP controls are also used to properly tune the speaker for the boundary conditions of
its installed location. As with the subwoofers, each press of the button advances to the next preset.
Preset
P815 Installation Condition
4
Mounted in a baffle wall, behind a Stewart Filmscreen Microperf screen. This preset
provides compensation for the high-frequency losses of the screen.
3
Mounted in a baffle wall, behind an acoustically transparent screen or when no
screen is present. Use this preset when the speaker is flush against the front wall.
2
Free standing, away from walls in a large room. The speaker should be greater than
4 feet from the wall. This position provides a +3 dB bass lift.
1
Free standing, away from walls in a small or medium size room. The speaker should
be greater than 4 feet from the wall. This position does not have any bass lift.
Amplifier Level Control
The Gain control on the amplifier level sets the level of the P815. The Default setting of “0” is
equivalent to –4 dB, and is at the 12 o’clock position. The Default position should be used when
54
calibrating the system. The minimum position produces no output from the speaker, and the
maximum position is 6 dB greater than the Default “0” position.
Amplifier Temperature (all AMP models)
It is normal for Procella amplifiers to be rather warm to the touch, even when the amplifier is
operating at low power levels. The very high power P815 and P18 amplifiers have low-noise
internal cooling fans, and it is normal for these fans to operate. They will start at 60°C and will
switch off and on as needed. For all models, there is a warning LED that will blink if the amp
reaches 80°C.
P12 Subwoofer Operation
The P12 uses a different amplifier than the P18, P15, and P10-AMP subwoofers. Its amplifier is
located on a recessed panel on the back baffle of the subwoofer. This allows for input and power
cable attachment even with the subwoofer set flush against the wall.
Either unbalanced RCA or balanced XLR input cables can be used with the P12. When it is used with
a preamp or processor with an unbalanced output, we recommend that a shielded 2-wire cable
with XLR connectors be used in combination with an RCA-XLR adapter at the preamplifier end. This
will produce the lowest noise level and best sound quality. An unbalanced RCA output connector is
provided for linking to additional P12 subwoofers.
The Procella P12 is designed for use with a 4th order Linkwitz-Riley, low pass crossover at 80-125
Hz. The proper frequency depends on the main speakers used and the desired playback levels.
With the Procella P5, use 120 Hz. For the Procella P6/P6V, Procella P8, and larger speakers, the
‘THX’ setting in the processor (if available) will give the correct characteristics at 80Hz.
Rear Panel Controls and Functions
The P12 controls and their functions are described below. See the drawing on page 56 for locations.
Gain
The Gain control sets the subwoofer output level. For reference, the default 0 dB reference is -4dB.
When setting subwoofer levels through a preamp or processor, the Gain control should be set to 0.
Polarity or Phase
The Polarity switch is used to match the polarity of the Procella P12 to the L-C-R speakers at the
listening position. This is important because of variables in the system such as the pre-amplifier,
crossover slopes and, especially, room position of both the main speakers and the subwoofer.
55
Without test equipment, you can perform a simple test that requires a listener seated at the main
listening position and a partner located at the subwoofer. Select and play through the full system a
music source with prominent mid-bass content. As it plays, the partner should flip the Polarity
switch when instructed to by the listener. The listener should listen carefully for changes in the
mid-bass level. The switch position that produces the greatest bass output is the correct setting.
Speaker Position
Optimizes response for room boundary
conditions at the location of the subwoofer. Use
the appropriate preset for the location in your
room.
WALL
Positioned on the floor and against
a wall.
CORNER
Positioned on the floor, against
a wall and close to a corner.
Power
ON
Subwoofer fully ON.
AUTO
Standby model. Subwoofer switches
on when signal is present. The
STANDBY LED illuminates when in
STANDBY mode.
SET
See Auto Setup below.
POWER
There is also a Master Power switch
located on the input panel below.
Auto Setup
When selected, AUTO powers up the subwoofer only when a signal is present. Because it detects
the residual noise level of the preamp/processor, the circuit needs to be calibrated before use.
Once the input cable is connected between the subwoofer and the preamp/processor, do the
following. Set the power switch on the preamp/processor to ON (or out of Standby), with no source
playing. Then, on the subwoofer, move the switch to Set. The P12 STANDBY LED will start blinking
rapidly. When the LED blinking rate slows down, move the switch to AUTO.
You can confirm that you have the correct setting by playing any disc and verifying that the
STANDBY LED switches to Green when the material starts playing. If the LED turns green without
any source playing, check your installation and cable routing for AC mains or signal interference.
56
19. Procella DA-2800 2,800 Watt Four-Channel Power Amplifier
The Procella DA-2800 2,800 Watt Four-Channel Power Amplifier is a highly versatile very highperformance professional amplifier designed to optimize the performance of any Procella Audio
speaker system. It is highly recommended for any Procella installation, and can be used with any
Procella model, including all subwoofers.
There are three versions of the amplifier:
The DA-2800 DSP provides selectable DSP EQ presets for the P815, P18, P15, P10 and P10Si, as well
as active DSP crossover settings for the P815 and P610.
The DA-2800 DSP / P860 is specially programmed for use with the P860. One amplifier is required
for each loudspeaker.
The DA-2800 non-DSP version is available for system applications and individual channels that do
not require DSP.
Additional detailed information on the DA-2800 is provided in the DA-2800 User Guide. Please refer
to this document when installing the amplifier.
DA-2800 as an Outboard Amplifier with the P815, P18, P15 and P10
The DA-2800 DSP enables users to have outboard amplification for the P815, P18, P15 and P10. In
systems where it is desirable to place the amplifiers in the rack, or to avoid having amplifiers
behind a screen or wall, this is a highly useful option. The P815-FP, P18-FP, P15-FP and P10-FP
speakers are designed to be used with the DA-2800 DSP. They are identical to the standard
versions of the speakers except for the fact they have no onboard amplifier. These speakers can be
special ordered from Procella or an authorized distributor. For configuration information, see the
DA-2800 User Guide.
DA-2800 DSP Speaker & Subwoofer Amplifier Channel Requirements
Note: when two amplifier channels are bridged, one amplifier input is linked to both channels.
P5
P6/6V/6iW
P8
P610
P815
P860
P10Si
P10
P15
P18
1 amplifier channel
1 amplifier channel
1 amplifier channel
2 amplifier channels (1 ch. LF, 1 ch. Mid/HF) with DSP preset for biamplification
3 amplifier channels (1 bridged pair LF, 1 ch. Mid/HF) and DSP preset for biamping
4 amplifier channels (3 ch. LF, 1 ch. Mid/HF) and DSP presets for biamplification
1 amplifier channel and DSP preset required
4 amplifier channels (2 bridged pairs) and DSP preset required
57
Procella Loudspeaker Programming (DA-2800 DSP only)
Located on the back panel of the DA-2800 are two
buttons labeled PRESET, each with four adjacent LED
indicators. The layout is shown at left. These PRESET
settings are used to configure the amplifier for the
loudspeakers with which it will be used.
Each time a button is pressed, it advances the DSP
setting to the next preset. The active preset is indicated
by the illuminated LED. The right Preset button (Preset 1)
controls Channels 1 and 2, and the left Preset (Preset 2)
button controls Channels 3 and 4.
Each of these presets is pre-programmed with DSP
settings customized for Procella loudspeakers. The standard DA-2800 DSP has presets to cover
virtually all applications using Procella loudspeakers. The P860 requires a custom version of the
DA-2800 DSP , which should be ordered along with the loudspeakers. If a unique custom
configuration is required, please contact Procella Audio to place a special order. Please contact
your Procella dealer or distributor for more information.
The charts on the next page show the standard DA-2800DSP Preset configurations with the correct
settings for each speaker model. In some cases, such as with the P815-FP, one or two amplifier
channels are available to drive either speakers (P6/6V/6iW or P8), or subwoofers (P10 and P15).
These additional options are shown on the charts.
DA-2800 DSP Speaker Configurations and DSP Presets
CAUTION: Use these presets ONLY with the specific speakers designated in the charts below. Use
of the wrong preset can cause high levels of distortion and result in speaker damage that is not
covered by warranty. These instructions apply only to the DA-2800DSP.
For the P860, a specially programmed DA-2800DSP must be used. Contact Procella for details.
On the charts:
PRESET identifies which numbered PRESET on the back panel of the amplifier should be selected.
PRESET 1 is on the right (Ch.1/Ch.2) and PRESET 2 is on the left (Ch.3/Ch.4).
LINK shows the correct setting for the LINK switch on the back panel of the amplifier, and if the Link
cable is needed, which Inputs it should connect.
INPUT identifies the correct input to be used and which inputs are not used.
OUTPUT identifies which output should be connected to each speaker.
58
DA-2800DSP Speaker Configurations and DSP Presets
P18-FP
(1 subwoofer)
P815-FP
(1 speaker)
AND
1 P15-FP or 1 P10-FP
P610
(2 speakers)
PRESET 1 (Right)
PRESET 2 (Left)
1
1
2
2
3
3
Connect Link Cable?
LINK Ch.1+Ch.2
LINK Ch.3+Ch.4
Input 2 to Input 3
On
On
Input 2 to Input 3
On
Off
No
On
On
INPUT Ch. 1
INPUT Ch. 2
INPUT Ch. 3
INPUT Ch. 4
P18
Link cable to 3
Link cable to 2
not used
P815
Link cable to 3
Link cable to 2
P15-FP or P10-FP
P610 (A)
not used
P610 (B)
not used
OUTPUT Ch. 1
OUTPUT Ch. 2
OUTPUT Ch. 3
OUTPUT Ch. 4
P18 driver 1 - Bridged
not used
P18 driver 2 - Bridged
not used
P815 Low Pass - Bridged
not used
P815 HF
P15-FP or P10-FP
PRESET 1 (Right)
PRESET 2 (Left)
P5, P6, P8, P28
(1 or 2 speakers)
AND
P15-FP or P10-FP
(1 or 2 subwoofers)
4
4
Connect Link
Cable?
LINK Ch.1+Ch.2
LINK Ch.3+Ch.4
P610 (A)
P610 (A)
P610 (B)
P610 (B)
Low Pass
High Pass
Low Pass
High Pass
P610 (1 speaker)
AND
P5, P6, P8, P28
(2 speakers)
P610 (1 speaker)
AND
P15-FP or P10-FP
(1 or 2 subs)
4
3
3
4
No
Off
Off
No
Off
On
No
On
Off
INPUT Ch. 1
INPUT Ch. 2
INPUT Ch. 3
INPUT Ch. 4
P5, P6, P8, P28 (A)
P5, P6,P8.P28 (B)
P10 or P15 (A)
P10 or P15 (B)
P5, P6, P8, P28 (A)
P5, P6, P8, P28 (B)
P610
-
P610
not used
P10 or P15 (A)
P10 or P15 (B)
OUTPUT Ch. 1
OUTPUT Ch. 2
OUTPUT Ch. 3
OUTPUT Ch. 4
P5, P6, P8,P28 (A)
P5, P6, P8,P28 (B)
P10 or P15 (A)
P10 or P15 (B)
P5, P6, P8, P28 (A)
P5, P6, P8, P28 (B)
P610 Low Pass
P610 High Pass
P610 Low Pass
P610 High Pass
P10 or P15 (A)
P10 or P15 (B)
Additional information and specifications for the DA-2800DSP can be seen in Appendix A at the end
of this document.
59
20. Cables and Connectors
Speaker Wire Connection
The following are our recommended minimums for loudspeaker cable used with Procella
loudspeakers. Feel free to use premium speaker cables per your preference, but we do not have
any specific recommendations for cable brands.
Cable run up to 25m (80’)
AWG 14 (2.5mm²)
Cable run of 25 to 45m (80 – 150’)
AWG 12 (4mm²)
Cable run of 45 to 75m (150-250’)
AWG 10 (6mm²)
If you are planning to connect more than one surround speaker to a single amplifier channel with a
parallel connection, we recommend that separate speaker wires be run from each speaker to the
amplifier. This will provide maximum flexibility.
Active Speaker Connection
All active speakers with onboard amplifiers (P815, P18, P15, P12, P10) use balanced XLR inputs. The
P12 also provides unbalanced RCA inputs. All except the P12 have one male and one female XLR
connector to allow for a pass-through connection to another speaker. We strongly recommend the
use of balanced cables with Procella speakers because they produce minimum system noise and
maximum signal quality. When only unbalanced connections are possible, such as with A/V
receivers, an RCA to XLR adaptor is provided with each active speaker.
Also see Section 21 on page 61 for connection to components with unbalanced outputs.
XLR Connector Wiring
Pin 1 = Ground
Pin 2 = Normal Polarity (Hot)
Pin 3 = Inverted Polarity (Cold)
Polarity
All Procella speakers have positive polarity. The red terminal is the positive (+) input, and a positive
voltage applied to it will produce a forward motion of the drivers.
60
21. AC and Grounding Requirements and Troubleshooting
The amplifiers in all Procella active speakers have universal power supplies that will operate to spec
with any input voltage from 100V to 250V AC. The standard IEC three-prong connection is used for
the AC power cord.
All Procella amplifiers are High-Power, Switched-mode Class-D amplifiers. Like any digital amplifier,
proper mains, grounding and signal interconnections are essential for correct operation, to avoid
hum and buzz and to achieve the best possible signal to noise ratio.
Always follow these guidelines:
· Insure that the amplifier is connected to a properly grounded electrical outlet. A good and stable
ground connection is essential for correct operation of the switch-mode amplifier and the DSP.
· A proper ground connection is also essential to avoid electrical shock hazard.
· Procella Active Loudspeaker models utilize very high power amplifiers. Confirm that the power
line and circuits are dimensioned to handle the necessary load according to these guidelines:
Model:
Recommended Minimum Load Rating
P10
115V: 10A
230V: 6A
P12
115V: 10A
230V: 6A
P15
115V: 10A
230V: 6A
P18
115V: 20A
230V: 10A
P815
115V: 20A
230V: 10A
· The power line should be free from disturbances caused by other electrical appliances such as
motors, heaters and ovens, elevators, refrigerators or similar.
· All Procella active loudspeaker amplifiers have a professional balanced (XLR Female) input. For the
best possible performance, it is strongly recommended that the amplifier be connected with a
professional XLR-type, shielded 2-wire cable to a balanced output of the pre-amplifier.
· If the amplifier is connected to a pre-amplifier or
processor with an unbalanced output, use a n RCA-to-XLR
adaptor wired according to IEC 268-12 where pin 2 is
signal and pins 1 and 3 are connected to the shell. (e.g.
Neutrik NA2NMP) The adaptor should be connected at the
pre-amplifier end and the cable to the amplifier should be
a professional XLR-type, shielded 2-wire cable.
61
To minimize ground-loops in an unbalanced connection, connect the Procella active loudspeaker
amplifiers to the same outlet as the pre-amplifier or processor and run the signal cable in parallel
with the mains cable.
If hum or buzz is present in the system, despite following the above precautions, below are some
steps to solve the most common issues:
Confirm that all cables and connectors are in good shape and that there are no bad
connections.
If it is not possible to connect the Procella active loudspeaker amplifiers to the same wall
outlet as the pre-amplifier, try different wall outlets for the amplifier, preferably to an outlet
on a different circuit.
Modify the unbalanced to balanced adaptor (or make a separate adaptor) with a 10-100ohm
resistor in series with pin 1.
If nothing else helps, use a balancing isolation transformer such as:
o Lundahl Transformers model LL156X-PHF3MX
o Jensen Transformers model ISO-MAX SUB-XX
62
22. Bass Management and Surround Processor Settings
The P6/6V/6iW and P8 are designed for use with a Procella subwoofer, and should be fed with a
signal high-pass filtered by a surround processor or electronic crossover. The recommended
crossover for both models is 80 Hz, and the correct slope is a second-order (12 dB/octave) LinkwitzRiley filter. The P5 should use a crossover frequency of 120 Hz for High Power application, also
with a second-order Linkwitz-Riley filter. This is the same crossover used for Home THX processors
or receivers, so if you are using a THX component, set the crossovers to the THX setting. If there is
no THX choice, use the SMALL speaker setting. Do not use the LARGE setting with the P6/6V/6iW
and the P8, as this will prevent low frequencies from being directed to the subwoofer. There is no
low-pass filter in Procella active subwoofers, so the low-pass filter slope of the subwoofer
crossover should be fourth-order (24 dB/octave).
The P860, P815 and P610 are full-range speakers, with low-frequency extension to 40 - 45 Hz.
Because of this deeper bass extension, they should be operated as full-range speakers (as in
professional cinemas and dubbing stages). If necessary, they should only be used with a subwoofer
crossover frequency of 40 – 45 Hz or higher. Ideally, the P815 and P610 should be set as FULLRANGE (LARGE) speakers in the processor, with the subwoofer set to a low-pass frequency at 50 Hz
or below.
For calibration of subwoofer levels, the level control on the subwoofer should first be set to the
Default position, which is labeled as “0” and is at the 12 o’clock position on the control. This
represents a level of –4 dB. Final levels can then be set using the controller or preamplifier. The
minimum position on the subwoofer level control produces no output from the subwoofer, and the
maximum position is 6 dB greater than the Default “0” position.
63
Technical Specifications and Dimensions
23. Appendix A – Product Specifications and Dimensional Information
Procella Product Line-Up
66
DA-2800 Technical Specifications
67
P5 Dimensions
69
P5 Technical Specifications
70
P6 Dimensions
71
72
P6V Dimensions
73
P6V Technical Specifications
74
P6iW Dimensions
75
P6iW Technical Specifications
76
P8 Dimensions
77
78
P28 Dimensions
79
80
P610 Dimensions
81
82
P815 Dimensions
83
84
P860 Dimensions
85
86
P10 Dimensions
87
88
P12 Dimensions
89
90
P15 Dimensions
91
92
P18 Dimensions
93
94
64
Technical Specifications and Dimensions
P10Si Dimensions
95
P10Si Technical Specifications
96
P8 and P6/P6V Speaker Mounting Bracket Dimensions
97
65
DA-2800/DA-2800DSP
2,800W Four-Channel Power Amplifier
Technical Specifications
•
•
•
•
•
•
•
•
360W x 4 channels at 8 ohms
700W x 4 channels at 4 ohms
Bridgeable to 1,400W x 2 channels at 8 ohms
Two versions: DA-2800 amplifier only
DA-2800 DSP with DSP and Ethernet
DSP Version: selectable EQ presets optimized
for P860, P815, P18, P15, P10, P10Si
DSP Version: preset crossovers for outboard
biamplification of the P860, P815 and P610
DSP Version: Ethernet control interface
Outboard amp option for P815, P18, P15, P10
Defining the standard in amplification for Procella
loudspeakers and subwoofers, the DA-2800 gives
users a powerful platform to enable uncompromised
performance with any Procella Audio speaker system.
This high-efficiency class-D amplifier has extraordinary
sound quality with enormous power reserves. As you
would fully expect from Procella, the DA-2800’s sound
quality is utterly transparent, with an extremely wide
dynamic range and robust low-frequency impact.
Four channels of amplification deliver a solid 360W
each at 8 ohms, or 700W each at 4 ohms, with the
additional ability to produce 1,400W at 8 ohms when
two channels are bridged (highly recommended for
the P18!). Two versions are available: the DA-2800 is a
basic power amplifier, and the DA-2800DSP adds DSP
control (and Ethernet) to ensure optimal performance
with any Procella loudspeaker.
In channel pairs, users have the choice of four DSP EQ
presets to either optimize the response of individual
•
•
•
•
•
•
•
•
Fully protected against DC, thermal overload
and short circuits
Four year warranty
Neutrik® XLR balanced inputs and Speakon®
speaker wire output connectors
Recessed front panel level controls and
LED indicators
CE and CSA certified
High efficiency Green Audio Power™ design
Switchable 115V/230V power supply
Compact and lightweight 1 RU high and only 7.4 Kg (16.3 lbs.)
Procella subwoofers or to provide DSP crossovers for
the P860, P815 and P610.
Users can choose from standard EQ preset configurations, or, on a custom order basis, specify any combination of presets. The non-DSP DA-2800 can be used
where DSP is not required (e.g., P6 and P8).
Multiple speakers and/or subwoofers can be driven by
a single DA-2800, depending on system requirements.
The amplifier can be used in place of the onboard
amp usually found on the P815, P18, P15 and P10 simply order the speaker(s) without the integral amp.
See Specifications for each model’s amplifier requirements and options.
In a 1U rack mount height, the compact DA-2800
packs a robust output capability in a very efficient
space, and it weighs just over 16 pounds.
For the ultimate Procella experience, the DA-2800 is
the only amplifier choice!
Procella Audio USA • (310) 572-1070 • Fax (509) 561-3223 • [email protected] • www.procella-audio.com
DA2800 v1.2 2012.10
DA-2800/DA-2800DSP SPECIFICATIONS
Number of Channels
Four
Front Panel Indicators
Input LEDs:
3 green (signal, -18dB, -6dB)
(each channel)
1 red (clip)
Power Output (per channel, 4 channels)
8 ohms
360 Watts
4 ohms
700 Watts
Ready/Temp. LEDs:
Bridged Power Output (2 channels bridged)
8 ohms
1,400 Watts
1 white (ready)
1 yellow (thermal protection on)
Cooling
Variable speed fan, temperature
controlled, airflow front to rear
Inputs
Balanced Neutrik XLR
female connectors (4)
Outputs
Neutrik Speakon NL4MD
connectors (4)
Frequency Response
Signal to Noise
Front Panel Controls
Level
One per channel, stepped
Power
Rocker On/Off switch
10 Hz - 30 KHz (+/-3dB),
for 1W @ 8 ohms
Back Panel Controls
Input Link
>113 dBA 20-20KHz,
A weighted
DSP and Ethernet
DSP Version only (see below)
Feeds one input to two channels
(Ch.1 + Ch.2 or Ch.3 + Ch.4)
THD+N
< 0.05% from 0.1W to full
power (<.01% typical)
Power Supply
115V / 230V, internally
selectable; IEC connector
SMPTE IMD
< 0.05% from 0.1W to full
power (<.01 typical)
Idle Power
60W (.53A @230V, 1.1A @115V)
DIM100 IMD
<0.02% from 0.1W to full
power (<.005 typical)
Dimensions
HxWxD
1.75” x 19” x 14.1”
44.5 x 483 x 358mm
Max. Output Voltage 85V peak
Shipping Carton
HxWxD
3.5” x 22” x 18.1”
90 x 560 x 460mm
Max. Output Current
60A peak
Net Weight
16.3 lbs. / 7.4 Kg
Slew Rate
40V/msecond,
input filter bypassed
Shipping Weight
19.6 lbs. / 8.9 Kg
Damping Factor
> 500 @ 100 Hz
Crosstalk
<70 dB @ 1 KHz
Input Impedance
10 Kohms, balanced
Input Sensitivity
1.34V / 4.76 dBu
Gain
Certifications
DA-2800 DSP Version
DSP Presets
(back panel)
Bank 1:
Bank 2:
Two banks of four selectable preprogrammed presets with LEDs;
Ch.1 + Ch. 2
Ch. 3 + Ch. 4
32 dB
Ethernet
(back panel)
RJ45 connector,
rotary address switches
CE and CSA certified
Network
Presets can be managed and
uploaded over network
Delay
up to 10 ms for each channel
Procella Speaker & Subwoofer Amplifier Channel Requirements
Note: when two amplifier channels are bridged, one amplifier input is linked to both channels
P6 and P8
P610
P815
P860
P10Si
P10 and P15
P18
1 amplifier channel
2 amplifier channels (1 ch. LF, 1 ch. Mid/HF) and DSP required for biamplification
3 amplifier channels (1 bridged pair LF, 1 ch. Mid/HF) and DSP required for biamplification
4 amplifier channels (3 ch. LF, 1 ch. Mid/HF) and DSP required for biamplification
1 amplifier channel and DSP required
1 amplifier channel and DSP required
4 amplifier channels (2 bridged pairs) and DSP required
3
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P5
L/C/R/Surround Speaker
•
•
•
•
•
•
Procella performance for the first time in this size and price class
Main and surround speaker for small to mid-size rooms up to 20 feet in depth
1” compression driver on circular constant directivity waveguide: 80° from 2.5kHz
5.25” high-output pro woofer driver
• Identical Voice™ timbre-matched to all Procella models
Sealed-box design
• Can be oriented horizontally or vertically
• Black or White cabinet finish
Can be used with or without optional cloth grille (magnetically attached)
Impedance
Power handling
Continuous
Peak
8 Ohms nominal
Phase angles less than 45 degrees
Components
Midrange
High Frequency
75 Watt
250 Watt
Sensitivity
1m/1W
91dB
Maximum SPL
free-standing
in wall
107dB continuous, 113dB peak
5.25” driver with 26mm voice coil in 5
litre sealed box
1” compression driver on a circular
constant directivity wave guide
Connectivity
Gold plated large diameter binding posts
Wall Mount
Keyholes provided for both vertical
and horizontal mounting
Finish
White or Black semi-matte painted finish.
MDF construction, removable cloth grille
Frequency response
-3dB points
90Hz and 20kHz
Dimensions
HxWxD
Dispersion pattern
-6dB
Constant directivity;
80° circular from 2.5kHz
Shipping Carton
HxWxD
15.75” x 11.8” x 10.4" / 400 x 300 x 265 mm
Crossover
Asymmetrical and phase aligned
2.2kHz, BSC
Net weight
12” x 7.5” x 6.7” / 304 x 190 x 170 mm
9.9 Lbs / 4.5Kg
Shipping weight 12.1 Lbs / 5.5Kg
Assembly
Sweden; 100% QC testing
P5 v1.1 2014.11
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P6
•
•
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•
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•
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Main and surround speaker for
small to mid-size rooms
Main speaker recommendation:
rooms 10 to 20 feet in depth
1” compression driver on elliptical
constant directivity waveguide:
90°H x 60°V from 2.0kHz
6.5” high-efficiency woofer driver
Identical Voice™ timbre-matched
to Procella P8, P610, P815 and
P860
Sealed-box design
Slim profile (4.9" deep)
Mounting bracket included
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Impedance
8 Ohms nominal
Above 10 Ohm in working range,
phase angles less than 30 degrees
Components
Midrange
High Frequency
Power handling
Continuous
Peak
100 Watt
300 Watt
Sensitivity
1m/1W
90dB
Maximum SPL
free-standing
in baffle wall
Frequency response
-3dB points
70Hz and 20kHz
Dispersion pattern
-6dB
6.5” driver with 40mm voice coil in 9 litre
sealed box
1” driver with a Polyester diaphragm on
elliptical constant directivity wave guide
Connectivity
Gold plated binding posts
Construction
Void free MDF internally cross braced
Studio vinyl finish as standard
Dimensions
HxWxD
11.4” x 18.5” x 4.9”
290 x 470 x 125 mm
Shipping Carton
HxWxD
10” x 23.5" x 15.75"
250 x 600 x 390 mm
Net weight
18.7 Lbs / 8.5Kg
Crossover
4th Order Linkwitz-Reilly
1.9kHz, BSC
Included
Wall mount bracket
Assembly
P6 v2.2 2012.10
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P6V
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•
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Impedance
8 Ohms nominal
Above 10 Ohm in working range,
Procella’s award-winning P6 in a vertical
configuration
Performance and sound identical to P6
Main and surround speaker for small to
mid-size rooms
Main speaker recommendation:
rooms 10 to 20 feet in depth
1” compression driver on elliptical
6.5” high-efficiency woofer driver
Identical Voice™ timbre-matched to
Procella P8, P610, P815 and P860
Sealed-box design
Slim and narrow: 125mm (4.9") deep and
290mm (11.4”) wide
Flush wall-mount bracket included
Components
Midrange
High Frequency
Power handling
Continuous
Peak
100 Watt
300 Watt
Sensitivity
1m/1W
90dB
Maximum SPL
free-standing
in baffle wall
Frequency response
-3dB points
70Hz and 20kHz
Dispersion pattern
-6dB
6.5” driver with 40mm voice coil in 9 litre
sealed box
1” driver with a Polyester diaphragm on
Connectivity
Construction
Dimensions
HxWxD
18.5” x 11.4” x 4.9”
470 x 290 x 125 mm
Shipping Carton
HxWxD
10” x 23.5” x 15.75"
250 x 600 x 390 mm
Net weight
18.7 Lbs / 8.5Kg
Crossover
1.9kHz, BSC
Included
Wall mount bracket
Assembly
P6V v1.1 2012.10
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P6iW
In-Wall L/C/R/Surround/Height Speaker
Technical Information
• 6.5” high-efficiency woofer driver
• 1” pro compression driver on 80° circular
constant directivity waveguide
• Ideal for ceiling mounted Atmos and
VOG 3D Audio height channels
• Elegant wing-shaped white grille with white
fabric cover adds attractive and distinctive
look to any environment; black grille optional
• Identical performance and sound as
Procella’s award-winning P6
• All MDF sealed-box design including integral
back box
• Drivers and crossover mounted on removable
front baffle
• Main speaker for mid-size rooms; surround or
height channel for any size room
8 Ohms nominal. Phase
angles less than 30 degrees.
Impedance
Power handling
Continuous
Peak
Components
Midrange
High Frequency
100 Watt
300 Watt
Sensitivity
1m/1w
90dB
Maximum SPL
Frequency response
-3dB points
70 Hz and 20 kHz
Dispersion pattern
-6dB
80° circular from 2.0kHz
Crossover
4th Order Linkwitz-Reilly.
1.9kHz, BSC
Connectivity
Gold plated push terminals
6.5” driver with 40mm voice coil
in 9 litre sealed box
1” compression driver, circular
Construction
Solid MDF, sealed back box.
Dimensions
Speaker WxH
Depth
Wall cut-out
Grille WxH
12.875” x 18.5” / 328 x 470mm
3.9"/ 98mm (fits in standard U.S. walls)
11.5" x 17" / 292 x 432mm
15.75” x 19.7” / 400 x 500mm
Shipping Carton
HxWxD
5.75” x 19.7" x 23.6"/ 265 x 500 x 600 mm
Net weight
22 Lbs. / 10 Kg
Shipping weight
26.5 Lbs. / 12 Kg
Optional
Black steel grille, black fabric
Assembly
Procella Audio USA • (310) 572-1070 • [email protected] • www.procella-audio.com
P6iW v1.0 2014.11
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P8
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•
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•
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Impedance
8 Ohms nominal
Above 12 Ohms in working range,
Main and surround speaker for mid to
large-size rooms
Main speaker for rooms 15 to 30 feet deep
THX Approved for integration into professional rooms, including THX Certified
Screening Rooms and THX pm3 Studios
1.5” compression driver on elliptical
High-output 8” woofer with 1.5” (40mm) VC
Identical Voice™ timbre-matched to Procella
P860, P815, P610 and P6
Back baffle angled at 7°
Sealed-box design
Shallow depth (7.9” deep)
Mounting bracket included
Components
Midrange
High Frequency
Power handling
Continuous
Peak
250 Watt
1,000 Watt
Sensitivity
1m/1W
92dB
Maximum SPL
free-standing
in baffle wall
Frequency response
-3dB points
80Hz and 20kHz
Dispersion pattern
-6dB
8” high output driver with 40mm
voice coil in 15 litre sealed box
1.5” driver with a Polyester diaphragm on
Connectivity
Construction
Dimensions
HxWxD
16.125” x 17.7” x 7.875 / 5.4” (7° tilt)
410 x 450 x 200 / 138 mm (7° tilt)
Shipping Carton
HxWxD
19.75” x 23.5"x 12"
500 x 600 x 305 mm
Net weight
34.2 Lbs / 15.5 Kg
Shipping weight 37.7 Lbs / 17.1 Kg
Crossover
1.6 KHz, BSC
Included
Wall mount bracket
Assembly
P8 v2.2 2012.10
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P28
•
•
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•
•
•
•
•
•
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Impedance
4 Ohms nominal
Above 6 Ohms in working range,
Extremely high output main and surround
speaker for mid to large-size rooms
8 meter THX Cinema reference level
(105dB continuous) speaker
Main speaker for rooms 15 to 50 feet deep
Single-enclosure design with internal
crossover does not require
biamplification or DSP
1.5” compression driver on elliptical
Dual custom high-output 8” woofers with
1.6” / 40mm voice coils
Identical Voice™ timbre-matched to Procella
P860, P815, P610, P8 and P6
80Hz subwoofer crossover point
Sealed-box design
Shallow depth (7.1” / 180mm deep)
Components
Midrange
High Frequency
Power handling
Continuous
Peak
500 Watt
> 1,000 Watt
Sensitivity
1m/1W
95 dB
Maximum SPL
free-standing
in baffle wall
122 dB continuous, 128 dB peak
128 dB continuous, 132 dB peak
Frequency response
-3dB points
75 Hz and 20 kHz
Dispersion pattern
-6dB
8” Neodymium magnet driver with 40mm
Connectivity
Construction
Dimensions
HxWxD
25.8” x 17.7” x 7.1
655 x 450 x 180 mm
Shipping Carton
HxWxD
31.5” x 23.6"x 11.8"
800 x 600 x 300 mm
Net weight
46.3 Lbs / 21.0 Kg
Crossover
1.6 KHz, BSC
Assembly
P28 v1.0 2014.03
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P610
Biamplified L/C/R Speaker
• High output main speaker for mid to large size
rooms 15 to 30 feet (5 to 9 meters) in depth
• Full-range operation with extension to 40 Hz
• Requires external active biamplification with DSP
crossover: Optimal performance with Procella
DA-2800DSP 2,800 Watt four-channel amplifier
• 1 inch compression driver on elliptical constant
directivity waveguide: 90°H x 60°V from 2.0 kHz
• 10 inch Pro-quality, Italian-made long-throw
woofer with 2.5” (65mm) voice coil
• High-efficiency 6.5 inch midrange with 1.5”
40mm voice coil
• Identical Voice™ timbre-matched to Procella P8,
P6, P815 and P860
• Very shallow depth (150mm / 5.9 inches deep)
• All sealed-box design for superior transient
response
Components
Low Frequency
(P10Si)
10 inch long-throw driver with 65mm
100 Watts continuous, 300 Watts peak
Midrange
(P6)
6.5 inch driver with 40mm voice coil
in 9 litre sealed box
Sensitivity
1m/1W
92 dB
High Frequency
(P6)
1 inch compression driver with a Polyester
diaphragm on a Procella-designed elliptical
Maximum SPL
free-standing
in baffle wall
Construction
Void free MDF, internally cross-braced
Studio Black vinyl finish standard
Impedance
Power handling
Low Frequency
peak
High Frequency
8 Ohms nominal
350 Watts continuous, 1,000 Watts
Frequency response
-3dB points
40Hz and 20kHz
Dispersion pattern
-6dB
Constant directivity:
90°H x 60°V from 2.0 kHz
Crossover
1.9 kHz (internal to P6)
150Hz (external DSP required)
Connectivity
Two pair gold-plated binding posts
Dimensions and Net Weight
HxWxD
27.6” x 21.3” x 5.9” / 51 lbs.
700 x 540 x 150 mm / 23 Kg
Shipping Cartons (2) and Weight
P6 (HxWxD)
10” x 23.5” x 15.75” / 23.1 lbs.
250 x 600 x 390 mm / 10.5 Kg
P10Si (HxWxD) 12” x 25” x 19.5” / 35.5 lbs.
305 x 635 x 500 mm / 16.1 Kg
Included
Loudspeaker bracket, Damper feet
Assembly
P610 v1.3 2012.10
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P815
Biamplified L/C/R Speaker
•
•
•
•
•
•
•
•
•
•
•
•
Active
Biamplification
Standard P815
700W + 700W of onboard power:
700W to P8 high frequency module
700W to LF815 low frequency module
P815-FP
Option
Enables external biamplification with
Procella DA-2800DSP 2,800 Watt
four-channel power amplifier
Maximum SPL
free-standing
in baffle wall
8” high output driver with 40mm
elliptical constant directivity waveguide
Connectivity
Balanced XLR with provided RCA adaptor
Construction
Void free and MDF internally cross braced
43.7” x 19.7” x 14.2” / 1110 x 500 x 360 mm
P8 HxWxD
19.75” x 23.5"x 12" / 37.5 lbs.
500 x 585 x 305 mm / 17.0 Kg
LF815 HxWxD
25” x 32” x 25” / 115 lbs.
635 x 810 x 635mm / 52.0 Kg
Dispersion pattern
-6dB
Components
Low (LF815)
Midrange
(P8)
High Frequency
(P8)
Dimensions
HxWxD
Frequency response
-3dB points
40Hz and 20kHz
Crossover
Main speaker for large to very large rooms, up
to small cinemas
Recommended for rooms 25 to 50 feet in depth
THX Approved for integration into professional
rooms, including THX Certified Screening Rooms
and THX pm3 Studios
Active Biamplification: 700W+700W of highefficiency green class-D power
28 bit DSP for room placement conditions including
baffle wall and free standing
P815-FP option enables use of Procella DA-2800DSP
2,800 Watt four-channel power amplifier
1.5” compression driver on elliptical constant
8” high-output midrange with 2.5” voice coil
15” woofer with 3” voice coil
Identical Voice™ timbre-matched to Procella P8,
P6, P610 and P860
Sealed box design
1.6 kHz and 150Hz
Net weight
15” driver with 75mm voice coil in 92
litre sealed box
145 Lbs / 65.0 Kg
Included
Connecting Bracket, Connecting cable,
Power cord, XLR-RCA adaptor, Damper feet
Assembly
P815 v2.4 2012.10
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P860
Biamplified High Output L/C/R Speaker
• Very high output main speaker for the largest
domestic rooms up to and including mid-size
cinemas
• Recommended for rooms 12 to 24 metres in
length (40 to 80 feet)
• Stands a massive six feet tall
• Active biamplification with Procella DA-2800DSP
2,800 Watt four-channel power amplifier
• 1.5” compression driver on elliptical constant
• Dual 8” high-output midranges
• V6™ Power: 6 x 10” woofers with 65mm voice coils
• Identical Voice™ timbre-matched to Procella P8
surround channel speakers
• Sealed box design
• Full-range operation with extension to 40 Hz
• Shallow depth (360mm / 14.2” deep)
Impedance
Mid/HF
Low Frequency
4 Ohms nominal
3 inputs, each 4 Ohms nominal
Amplification
Mid/HF
Low Frequency
Procella DA2800DSP power amplifier
1 channel @ 700 Watts
3 channels @ 700 Watts
Sensitivity
1m/1W
Maximum SPL
free-standing
in baffle wall
Procella V6™: 6 x 10” drivers with 65mm
voice coils in 150 litre sealed box
Midrange
(P28)
2 x 8” high output drivers with
40mm voice coils in 30 litre sealed box
High Frequency
(P28)
elliptical constant directivity waveguide
Connectivity
3 LF, 1 HF inputs, gold-plated binding posts
Construction
95 dB
Frequency response
-3dB points
40Hz and 20kHz
Dispersion pattern
-6dB
80°H x 50°V from 1.0 kHz
Crossover
Components
Low Frequency
(V6)
1.6 kHz and 150Hz
Dimensions and Weight
HxWxD
69.5” x 20.9” x 14.2” / 201 lbs.
1765 x 530 x 360 mm / 90 Kg
P28 HxWxD
12” x 32” x 24” / 50 lbs.
305 x 810 x 610 mm / 22.5 Kg
V6 HxWxD
20” x 48” x 28” / 165 lbs.
510 x 1220 x 710 mm / 75 Kg
Included
Loudspeaker bracket, Damper feet
Assembly
P860 v1.3 2012.10
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P10
Active DSP Subwoofer
•
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Dual-Drive Dual-Amp design
Recommended for small to mid-size
rooms
Twin 10” long-throw drivers with 2.5”
voice coils
350W+350W of high-efficiency green
Class-D amplification
P10-FP option enables use of external
Sealed-box design with heavily braced
cabinet
Maximum output 119 dB @ 50Hz
- 3 dB point 26 Hz
Ultra-slim profile (7.1" / 180mm deep)
28-bit DSP control for room boundary
conditions:
- free standing
- against wall
- in corner
- in baffle wall
Frequency Response
-3 dB
26 Hz
P10-FP
Option
Enables external amplification and
DSP with Procella DA-2800 2,800
Watt four-channel power amplifier
Maximum SPL
@ 50 Hz
Construction
Heavily internally braced MDF
Components
119 dB
Dual long-throw 10” drivers with
65mm voice coils in 36 litre sealed box
DSP Section
28 / 56 bit ADI Sigma
DSP Settings
User selectable
Free standing
Against wall
In corner
In baffle wall
Dimensions
HxWxD
18.5” x 26.8” x 7.1”
470 x 680 x 180 mm
Shipping Carton 12.6” x 31.5"x 23.5" / 320 x 800 x 600 mm
Net weight
57.5 Lbs / 26.0 Kg
Amplifier
350W + 350W, Class-D
Line Voltage
100 - 250V, 40 - 80 Hz
Connectivity
Balanced XLR
RCA input adaptor provided
Included
Power cord, XLR-RCA adaptor,
Damper feet
Assembly
P10 v2.3 2012.10
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P12
Active 350 Watt Subwoofer
•
•
•
•
•
•
•
•
•
•
Frequency Response
-3 dB
25 Hz
Maximum SPL
@ 50 Hz
Components
12” long-throw driver with
2.5 inch / 65 mm voice coil
350W of high-efficiency green Class-D
amplification
- 3 dB point 25 Hz
Standby power ensures that sub is active
before program material starts by
calibrating to processor noise level
Polarity Normal/Reversed switch
Sealed-box design with heavily
braced MDF cabinet
Ultra-slim profile (8.3” / 210mm deep)
Recessed back-panel connectors enable
placement against wall
Selectable EQ for room boundary conditions:
- Against wall
- In corner
Connectivity
Single balanced XLR
Single RCA input, Single RCA output
Line Input
40 - 80 Hz, switchable 110 - 240V
Standby
Programmable
Power
Consumption
Standby <0.5W
Full Power 440W
Safety Approval
CE, FCC, CCC
Construction
Heavily braced MDF
Finish
White or Black matte painted finish,
steel grille
Included
Rubber mounting feet
Dimensions
HxWxD
17.3” x 22.8” x 8.3” / 440 x 580 x 210 mm
116 dB
Long-throw 12” driver with
65mm voice coil in 31 litre sealed box
Polarity
Switchable Normal/Reversed
Room Settings
User selectable
Against wall
In corner
Amplifier
350W, Digital Class D
Shipping Carton 20.5” x 27.6"x 11.8" / 520 x 700 x 300 mm
Net weight
35.2 Lbs / 16.0 Kg
P12 v1.1 2014.11
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Recommended for mid to large-size
rooms
Twin 15” long-throw drivers with 3”
voice coils
Procella DSP-2800DSP 2,800 Watt
cabinet
Maximum output 125 dB @ 50 Hz
- 3 dB point 22 Hz
conditions:
- free standing
- against wall
- in corner
- in baffle wall
Frequency Response
-3 dB
22 Hz
P15-FP
Option
Enables external amplification with
Procella DA-2800DSP 2,800 Watt fourchannel power amplifier
Maximum SPL
@ 50 Hz
125dB
Construction
Neodymium magnets and 75mm voice
coils in 75 litre sealed box
Dimensions
HxWxD
Components
DSP Section
DSP Settings
User selectable
Free standing
Against wall
In corner
In baffle wall
22.4” x 36.6” x 8.7”
570 x 930 x 220 mm
Shipping Carton 14” x 41"x 27"
360 x 1045 x 685mm
Net weight
88 Lbs / 40.0 Kg
Shipping weight 100 Lbs / 45.0 Kg (plus pallet)
Amplifier
Line Voltage
100 - 250V, 40 - 80 Hz
Connectivity
Balanced XLR
Included
Damper feet
Assembly
P15 v2.2 2012.10
35mm (1.4")
360mm (14.2")
650mm (25.6")
Additional space
for connectors
11mm (0.4")
15mm (0.6")
Ventilation and
"Handles"
Baffle wall cut-out = 1100 x 700mm ( 43.3" x 27.6" )
Weight = 97kg (215Lbs)
1050mm (41.3")
P18
R 60mm (2.4")
© PROCELLA AUDIO 2009
Procella P18 dimensions
P18_vue.CAD
Anders Uggelberg aug -09
UPD: 15/9
Scale 1:10 (PDF/JPG-file not to scale)
Height of insulation feet
360mm (14.2")
P18
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Extremely high output for the largest
home cinemas, screening rooms
and small cinemas
THX Approved for integration into
professional rooms, including THX
Certified Screening Rooms and THX
pm3 Studios
Twin 18” long-throw drivers with 4”
voice coils
Critically reinforced sealed-box design
Maximum output 133 dB @ 50 Hz
- 3 dB point 18 Hz
Shallow depth (360mm / 14.2”)
conditions:
- free standing - against wall
- in corner
- in baffle wall
Frequency Response
-3 dB
18 Hz
P18-FP
Option
Maximum SPL
@ 50 Hz
Enables external amplification and
DSP with Procella DA-2800 2,800 Watt
power amplifier
133dB
Construction
100mm voice coils in 205 litre
sealed box
Dimensions
HxWxD
Components
DSP Section
DSP Settings
User selectable
Free standing
Against wall
In corner
In baffle wall
Amplifier
Line Voltage
100 - 250V, 40 - 80 Hz
Connectivity
Balanced XLR
25.6” x 41.3” x 14.2”
650 x 1050 x 360 mm
Shipping Carton 25” x 48"x 32"
635 x 1220 x 815 mm
Net weight
220.5 Lbs / 100.0 Kg
Shipping weight 254 Lbs / 115.0 Kg (plus pallet)
Included
Damper feet
Assembly
P18 v1.2 2012.10
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P10Si
Balancing Subwoofer
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The P10Si provides integrators with a highly useful new
option that facilitates the use of multiple subwoofers to
produce more consistent bass performance in listening
rooms. When one or more Procella P18, P15 or P10
subwoofers are used as main subwoofers, multiple P10Si
subwoofers can be placed in different room locations to
smooth the low frequency modes of the room. This can
improve the overall bass quality and significantly reduce
seat-to-seat variance in low frequency levels.
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Designed for use in multiple room
locations to smooth low frequency
room modes
Optimizes low-frequency response
when used with P18, P15 or P10
main subwoofers
10” Pro-quality Italian-made long-throw
subwoofer driver with 2.5” voice coil
Reqires external amplification with
DSP crossover: Optimal performance
with Procella DA-2800DSP 2,800 Watt
cabinet for superior transient
response
In-room -3 dB point 26 Hz
Ultra-slim profile (5.9"/150mm deep)
Fits in standard wall framing
U.S. - 14 3/8”, vertical orientation
EU - 540mm, horizontal orientation
Impedance
8 Ohms nominal
Construction
Power handling
Continuous
Peak:
350 Watts
1,000 Watts
Sensitivity
1m/1W
Dimensions
HxWxD
(horizontal)
92 dB
Maximum SPL
@ 50 Hz
113 dB
Shipping Carton
HxWxD
12.6” x 31.5” x 23.5”
300 x 800 x 600 mm
Frequency response
-3dB
26Hz
Components
10 inch long-throw driver with 65mm
Connectivity
Gold-plated binding posts
Net Weight
14.37” x 21.3” x 5.9”
365 x 540 x 150 mm
30.8 lbs. / 14 Kg
Shipping Weight 35.5 lbs / 16.1 Kg
Included
Damper feet
Assembly
P10Si v1.3 2012.10
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