Untitled

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-7500US
ilfli is*;r"Ti",,?'f*353FHD
RS
True 3-Head System for Maximum
Quality and Versatility
T h e u l t r a - h a r dS u p e r P e r m a l l o yr e c o r d
a n d p l a y b a c kh e a d s ,p l u s t h e f a s t e r t a p e
speedand wider tape width,are major
r e a s o n sf o r t h e o u t s t a n d i n gp e r f o r m a n c e
achieved in the RS-7500US.The 10 p-gap
r e c o r d h e a d m i n i m i z e sd i s t o r t i o no v e r a
m u c h w i d e r f r e q u e n c yr a n g e , a n d t h e 2 p g a p p l a y b a c kh e a d o p t i m i z e sp o w e r
o u t p u t a t m u c h h i g h e r f r e q u e n c i e st h a n
w o u l d b e p o s s i b l ei n c o m b i n e d r e c o r d l
p l a y b a c kh e a d s y s t e m s .T h e " d o u b l e - g a p "
extra-hard ferrite erase head ensures
pertect erasure with all types of tapes, thus
producing an even better S/N ratio. Other
i m p o r t a n ta d v a n t a g e si n c l u d ed i r e c t a n d
accurate tape monitoring of just-recorded
m a t e r i a l ,a n d a z i m u t h a d j u s t m e n t .
r e s p o n s ei s f l a t a l l t h e w a y u p t o 2 0 , 0 0 0H z .
A n d m a x i m u mo u t p u t l e v e l ( M O L ) i s a l m o s t
1 5 d B h i g h e ra t 1 0 k H z t h a n l e v e l sa t t a i n able with cassette tape. Very few symp h o n i c o r c h e s t r a so r o t h e r p r o g r a m s o u r c e s
w i l l r e q u i r e r e p r o d u c t i o np e r f o r m a n c e s
b e t t e rt h a n t h i s .
UnprecedentedHigh Dynamic Range and
Wide Frequency Response
T h e s u o e r b n a t u r a l n e s so l s o u n d r e p r o r e s u l t sf r o m t h e
d u c t i o ni n t h e R S - 7 5 0 0 U S
e x t r e m e l yh i g h d y n a m i c r a n g e a n d w i d e
t r e q u e n c yr e s p o n s eg a i n e d t h r o u g h f a s t e r
tape speed and wider tape width,and the
i m p r o v e dd e s i g n o f t h e h e a d s a n d t r a n s port system. .A frequency response of
25-22,000Hz, *3 dB with XA (chrome tape)
i s t r u l y a m a z i n gf o r a c o m p a c tt a p e d e c k .
E v e n w i t h n o r m a l I o w - n o i s et a p e s ,
High Stability with FG Servo DC Motol
T h e h i g h - t o r q u ef r e q u e n c yg e n e r a t o r( F G )
servo controlled DC motor. an absolute
n e c e s s i t yf o r s u c h a h i g h - g r a d et a p e
t r a n s p o r tm e c h a n i s m ,f e a t u r e sa n e l e c t r o n i c a l l y - c o n t r o l l e cd a p s t a n m o t o r t o e n s u r e
rotational speed of a very high degree of
a c c u r a c y ,e v e n d u r i n g c o n s i d e r a b l e
c h a n g e s i n p o w e r s u p p l y v o l t a g e ,l o a d
t o r q u e a n d s u r r o u n d i n gt e m p e r a t u r e .T h e
4 mm@capstan is coupled to a wellb a l a n c e dh i g h - i n e r t i af l y w h e e l ,g i v i n g t h e
m o t o r g r e a t e r s t a b i l i t yu n d e r c h a n g i n g
l o a d c o n d i t i o n s ,a n d a l m o s t n e g l i g i b l e
speeddeviations.
Wow and Flutter 0.06% WRMS, +0.15oh
DIN
The high-grade quality of the RS-7500US
is further accentuated by the extremely
low wow and f lutter and speed fluctuation
ratings. The very high stability of the FG
servo DC motor, and the laster tape speed
have gone a long way to reduce wow and
f l u t t e r t o a n i n s i g n i f i c a n lte v e l .
Wow & Flutter
Characteristibs
Iexpermentaroatar
F u r t h e r m o r e ,m e c h a n i c a lp a r t s l i k e t h e
c a p s t a n ,t a p e g u i d e s ,a n d t h e h e a d s a r e
a l l s t a t i o n a r y t, h u s e l i m i n a t i n ga c o m m o n
c a u s e o f s u c h p r o b l e m sa s m o d u l a t i o n
noise and crosstalk. Another factor cont r i b u t i n gt o g r e a t e r s t a b i l i t ya n d l o w e r
wow and flutter has been the adoption of
a n i n d e p e n d e n rt e e l d r i v e s y s t e m w h i c h
effectively isolates take-up reel torque
from the capstan.
.-
Erasure Heao
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Automatic Tape Seleclor Marks Further
Advance in Automation
There are 3 types of ELCASETtaPes
a v a i l a b l e ,c o r r e s p o n d i n gt o n o r m a l ,
f e r r i - c h r o m ea n d c h r o m e , T h e R S - 7 5 0 0 U S
a u t o m a t i c a l l yd e t e c t st h e t y p b o f t a p e ( v i a
s e n s o rw e l l s a l o n g t h e b a c k e d g e o f t h e
E L C A S E Tt a p e c a s e ) a n d s w i t c h e so v e r
t o t h e a p p r o p r i a t ee q u a l i z a t i o na n d b i a s
c i r c u i t s i m m e d i a t e l y .T a p e t y p e i s s h o w n
by meansof coloredlamps on the tront
p a n e l - n o u s e r a d j u s t m e n t sa r e r e q u i r e d
w h a t s o e v e r .A n d a l l e q u a l i z a t i o na n d b i a s
s w i t c h i n gi s p e r f o r m e db y t r a n s i s t o r s ,t h u s
e l i m i n a t i n gp o s s i b l es w i t c h i n gn o i s e a n d
c o n n e c t i o nf a i l u r e s .
TypeI
-nflZ
-V
Type II
TypeIII
\1/
XD(Normal)
(Ferri-Chrome)
XA (CrO,)
Photo-ElectronicFull Auto-Stop Mechanism
Eliminates Strain
Another advantage of the ELCASETtape
i s t h e t r a n s p a r e n tl e a d e r s e c t i o n sa t b o t h
ends of the tape, and the tape-end detector
w i n d o w .T h e L E D p l u s p h o t o s e n s i t i v e
detects
transistor system in the RS-7500US
t h e l e a d e r i m m e d i a t e l y ,b r i n g i n gt a p e
d r i v e t o a r a p i d ,b u t s m o o t h h a l t ,w i t h o u t
t h e s l i g h t e s th i n t o f s t r a i n o n t a p e o r
t r a n s o o r tm e c h a n i s m .
S p e c i a lt o r q u e l i m i t e r sf i t t e d t o b o t h t a k e u p a n d s u p p l yr e e l s ,e l i m i n a t et h e h i g h
d e g r e e o f s t r a i n n o r m a l l ya c t i n gw h e n t a p e
i s s t o p p e dd u r i n g f a s t f o r w a r d a n d r e w i n d
m o d e s .S u c h c a r e f u la t t e n t i o ng i v e n t o t h e
preservation of tapes further improves
r e l i a b i l i t ya n d o p e r a t i o n a l i f e .
Low-Noise High-LinearityAmplifier Seclion
D e s i g n a n d p e r f o r m a n c ep r i o r i t i e si n t h e
a m p l i f i e rs e c t i o n h a v e s i g n i fi c a n t l y i m p r o v e d S / N r a t i o a n d r e l i a b i l i t y .S e p a r a t e
a m p l i fi e r s f o r m i c a n d l i n e i n p u t s ,a n d f o r
r e c o r d i n ga n d p l a y b a c kh e a d s ,a l l f e a t u r e
a l i b e r a l i n f u s i o no f F E T ' sa n d o t h e r l o w n o i s e t r a n s i s t o r s ,a n d h i g h l y a c c u r a t e
resistors. A 6{ransistor constant voltage
c i r c u i t s u p p l i e s a m p l i f i e r sw i t h c o n s t a n t
v o l t a g e ,w h i l e a d u a l p o w e r s u p p l y i s
e m p l o y e df o r t h e m o r e i m p o r t a n tp l a y b a c k
a m p l i fi e r .
Memory Rewind lmproves Recording
Elficiency
T a p e i s r e t u r n e dr a p i d l ya n d a u t o m a t i c a l l y
t o a n y d e s i r e d p r e - s e l e c t e dp o i n t , s i m p l y
b y s e t t i n gt h e t a p e c o u n t e rt o " 0 0 0 " , a n d
p r e s s i n gt h e m e m o r y p u s h - o nb u t t o n .
S p e c i a ll o w - n o i s es w i t c h i n gt r a n s i s t o r s
e n s u r e n o i s e l e s s ,r e l i a b l eo p e r a t i o n .
Timer Recording and Playback for Aulomatic Operation
U n a t t e n d e dr e c o r d i n ga n d a u t o m a t i cp l a y back open up a very wide rangeof
p o s s i b i l i t i e ss, u c h a s r e c o r d i n gm i d d a y
FM programs when away at the office,
a n d " o r d e r - m a d e " m o r n i n ga l a r m m e l o d i e s . A l l t h a t i s n e e d e di s a n a d d i t i o n a l
t i m e r u n i t . A s p e c i a ls o l e n o i d i n t h e t i m e r
s t a n d - b ym e c h a n i s mi s d e s i g n e dt o r e l e a s e
t h e o a u s e c o n t r o lw h e n t h e t i m e r u n i t
s w i t c h e st h e p o w e r o n . A n d d u r i n g t h e
f i r s t c o u p l e o f s e c o n d s ,a n e l e c t r o n i c
m u t i n gc i r c u i t " h o l d s " t h e r e c o r do r p l a y b a c k m o d e u n t i l t h e a m p l i f i e r sh a v e w a r m e d
u p t o o p t i m u m o p e r a t i n gc o n d i t i o n s .
lmmediate Tape Moniloring During
Actual Recording Session
Because the RS-7500USfeatures a
t r u e 3 - h e a ds y s t e m ,d i r e c t m o n i toringof the programbeing
r e c o r d e db e c o m e sD o s s i b l e .
S i m p l yp r e s st h e t a p e / s o u r c e
m o n i t o r b u t t o nf o r d i r e c t c o m o a r i s o n w i t h t h e p r o g r a m s o u r c e .A n d
t o r e m i n d t h e u s e r , a b u i l t - i nl a m p
w i l l i n d i c a t ew h e n " s o u r c e " i s
being monitored.
Mic/Line Mixing Free of Mutual
lnterference
T h e N P N - P N P2 - s t a g ed i r e c t c o u p l e d h i g h - l i n e a r i t yl o w - n o i s e
m i c a m p l i f i e ri s d r i v e n b y a
c o n s t a n t - v o l t a g de u a l p o w e r s u p p l y ,
a c hi e v i n g n o i s e -rf e e r e p r o d u c t i o n
w i t h o p t i m u m f i d e l i t y .T h e o u t p u t o f
t h i s a m p l i f i e ri s m i x e d w i t h t h e l i n e
i n p u t i n a F E T - e q u i p p e dh i g h - i n p u t
i m p e d a n c eo p e r a t i o n a la m p l i f i e r
w h i c h e n s u r e s a b s o l u t em i n i m a l
m u t u a l i n t e r f e r e n c ea n d a l m o s t
n e g l i g i b l em i x i n g l o s s . T h i s p r o v i d e s
complete freedom to re-adjust
e i t h e r r e c o r d i n gl e v e l w h e n m i x i n g
i n p u t s ,w i t h o u t a n y w o r r y a b o u t
o o s s i b l ei n t e r f e r e n c en o i s e
o c c ur r i n g .
Reversible Erase Prevention
Unlike conventionalcassettes,
where the erase prevention feature
r e q u i r e d b r e a k i n go f f a p l a s t i ct a b
alongthe back of the case,
E L C A S E Tt a p e s a r e e q u i p p e dw i t h
r e v e r s i b l es l i d e - i ns l i d e - o u te r a s e
p r e v e n t i o nd e v i c e s .T h i s p e r m i t s
r e a d y r e - e d i t i n ga n d u p - g r a d i n go f
tapes at any time.
Slreamlined Tape Loading/
Unloading System
W h e n t h e E L C A S E Tt a p e i s i n s e r t e d ,
a n d t h e c o m p a r t m e n td o o r c l o s e d ,
t h e t a p e i s a u t o m a t i c a l l yl i f t e d o u t
of its case, and set into stand-by
p o s i t i o n .C o n s e q u e n t l yo, n l y t h e
s l i g h t e s tt o u c h i s r e q u i r e dt o
operate the transport mode keys,
f u r t h e r i m p r o v i n gt h e e f fi c i e n c ya n d
r e l i a b i l i t yo f t h i s t a p e d e c k . W h e n
t h e e l e c t k e y i s p r e s s e dt o u n l o a d
t h e t a p e a t t h e e n d o f p l a y ,t h e t a p e
i s r e t u r n e dq u i c k l y ,b u t s m o o t h l y ,
back into its case,and the silicon
o i l - d a m p e dc o m p a r t m e n td o o r
openswith a very gentleand quiet
motion.
Electronic Muting Eliminates Clicks
and Pops
T h e d i s c o n c e r t i n gc l i c k a n d p o p
n o i s e s o c c u r r i n gw h e n t h e p o w e r
supplyis turned on and off,and
a l s o w h e n s t a r t i n ga n d f i n i s h i n ga
r e c o r d i n gs e s s i o n ( w h i c h r u d e l y
a n n o u n c e si t s e l f e v e r y t i m e t h e
recording is played back) are
c o m p l e t e l ye l i m i n a t e di n t h e
thanks to the adoption
RS-7500US,
o f a n 1 1 { r a n s i s t o re l e c t r o n i cm u t i n g
circuitry.
Large VU Melers Alleviate Leve!
Setting Worries
These large easy-to-work-withVU
meters have been designed for
c r i t i c a l r e c o r d i s t sw h o d e m a n d a
h i g h d e g r e e o f a c c u r a c yi n t h e i r
r e c o r d i n g s ,a n d w h o t h e r e f o r e
a p p r e c i a t et h e e a s e o f w o r k i n g w i t h
l a r g e r m e t e r s .H i g h - q u a l i t y
r e s p o n s em e c h a n i s m sa n d f u l l range scales permitgreaterprec i s i o n i n l e v e l s e t t i n g s ,w h e t h e r
g i v i n g p r i o r i t yt o t h e h i g h d y n a m i c
range provided by ELCASETtapes,
o r t o o b t a i n i n gm a x i m u m S / N r a t i o .
llluminated Window for Clear lndication
of Remaining Tape
The largerwindowof the ELCASET
tape case,and the direct illumin a t i o nf r o m b e h i n dt h e t a p e , g i v e s
v e r y c l e a r i n d i c a t i o no f t h e a m o u n t
of tape on either reel,especially
d u r i n g t h e l a s t f e w m i n u t e sw h e n a
n e a t e n d i n g ,o r a n i n t e r e s t i n gf a d e o u t t o t h e r e c o r d i n gi s r e q u i r e d .
Transparent Removable Head Cover
Actual tape travel across the heads
c a n b e o b s e r v e dd i r e c t l y ,p e r m i t t i n g
t h e u s e r t o c h e c k c o n d i t i o n sa s
r e g u l a r l ya s d e s i r e d w i t h o u t n e e d
t o r e m o v eo r o p e n u p a n y p a r t s a t
a l l . C l e a n i n ga n d o t h e r m a i n t e n a n c e
is also furtherenhanced.
Separate Output Level Control
The output level of the RS-7500US
c a n b e r e a d i l y a d j u s t e dt o t h e s a m e
outoutlevel as other audio comp o n e n t s( s u c h a s t u r n t a b l e )
c o n n e c t e dt o t h e s a m e a m p l i f i e ro r
receiver. Switching between
d i f f e r e n tc o m p o n e n t sf o r c o m p a r i s o n p u r p o s e se t c . i s t h u s m a d e
more accurate, and safer.
The Same Stereo/Mono
Compatibility as in Cassette Tapes
Since left and rightstereochannels
a r e r e c o r d e do n t h e s a m e s i d e
( i . e . a d j a c e n tt r a c k s ) ,a n d n o t i n
a l t e r n a t et r a c k s a s i n o p e n - r e e l
e q u i p m e n t ,E L C A S E Tt a p e s
m a i n t a i nc o m p l e t es t e r e o / m o n o
compatibility.
2-Track Mono
Side 1
Side 2
4-Track Ste.eo
Side I Left Channel
Ew'q[fi
Side 1 Right Channel
E-r\re
!EEW-
Side 2 Right Channel
ffiBEfi1ffi_
Side 2 Lelt Channel
RearPanelFacilities
1 . L i n e O u t p u tJ a c k s
2 . R e c / P BD I NJ a c k
3 . L i n e I n p u tJ a c k s
pffiffi&
ffiww€mffiffiffiffiffiffi
rc*ffiwwffi
ffi&rux
ffiffiffiffiffiffi&&w
ffimwrewwwre#ffiffiffi
W h e n c a s s e t t et a p e s f i r s t a p p e a r e do n t h e m a r k e t
m a n y y e a r s a g o , m a n y d e c k f a n s ( o p e n - r e e l ,o f
c o u r s e ) m u s t h a v e m a r v e l l e da t t h e i r h a n d l i n g
s i m p l i c i t y( i f n o t h i n g e l s e ) . T o d a y ' s c a s s e t t ed e c k s
have come a long way since then, but have just
a b o u t r e a c h e dt h e i r l i m i t a s l a r a s o e r f o r m a n c ei s
c o n c e r n e d .T o b r i d g e t h e g a p b e t w e e nc a s s e t t e s
a n d o p e n - r e e l ,E L C A S E Tw a s d e v e l o p e d - i n c o r p o r a t i n gt h e h a n d l i n g e a s e o f c a s s e t t e s ,a n d
t h e h i g h - g r a d ep e r f o r m a n c eo f o p e n - r e e l .
T e c h n i c sE L C A S E Tt a p e d e c k , R S - 7 5 0 0 U Sa,
c l a s s i c e x a m p l e o f r a p i d a d a p t a t i o nt o t h e n e w
t a p . ef o r m a t , h a s b e e n e x p e r t l yd e s i g n e dt o t a k e
f u l l a d v a n t a g eo f t h e g r e a t n e w r a n g e o f f e a t u r e s
i n E L C A S E Tt a o e s . B e c a u s et a o e w i d t h i s t h e
s a m e a s s t a n d a r da u d i o t a p e u s e d i n o p e n - r e e l
d e c k s ,a n d t a p e s p e e d i s t w i c e a s f a s t a s c a s s e t t e
t a p e s , E L C A S E Ta t t e i n sg r e a t e r d y n a m i c r a n g e
a n d w i d e r f r e q u e n c y r e s p o n s e .A n d t h e t a p e i s
a c t u a l l yl i f t e do u t o f t h e c a s e o v e r t o t h e h e a d s
( a n o t h e ro p e n - r e e sl i m i l a r i t y ) M
. e c h a n i c a pl a r t s
l i k e t h e c a p s t a n t, a p e g u i d e sa n d t h e h e a d s
t h e m s e l v e sr e m a i n s t a t i o n a r yt,h u s a s s u r i n gu l t r a
s t a b l e t a p e t r a n s p o r t .T e c h n i c s 'h i g h s e n s i t i v i t y
u l t r a - l o n g - l i f eS u p e r P e r m a l l o yr e c o r d a n d p l a y b a c k h e a d s o p t i m i z e s o u n d q u a l f t y b y a t t a i n i n ga
frequency respone of 25 to 22,000Hz, *3 dB
( c h r o m e t a p e ) , a n u n p r e c e d e n t e df i g u r e i n
" c o m p a c t " t a p e d e c k s .T h e p r e c i s i o nd e s i g n e d
F G s e r v o D C m o t o r a d d s t e n a c i t yt o t h e a l r e a d y
s o l i d s t a b i l i t y i n t h e t r a n s p o r ts y s t e m , m i n i m i z i n g
0 R M S , + 0 . ' 1 5 %D l N .
w o w a n d f l u t t e r t o O . 0 6 0 /W
Even the "convenience" of cassettes has been
superseded by such advanced automated systems
a s t h e a u t o m a t i ct a p e s e l e c t o rw i t h i n d i c a t o rl a m p s .
In every way, the RS-7500US
r e p r e s e n t sa v e r y
s i g n i f i c a n ta d v a n c e i n t a p e t e c h n o l o g y ,o f f e r i n g
" q u a l i t yi n s i m p l i c i t y . "
W
pffi$yxtem
Y"*xm
h*mw
&axd*m
Yffi
ELCASETis a, new high-grade cassette-like
r e c o r d i n g ' t a p ed e v e l o p e db y a c o n s o r t i u m
o f J a p a n e s ea u d i o m a n u f a c t u r e r s I. n s i z e ,
i t i s r o u g h l y2 - 1 / 2 I i m e s l a r g e r t h a n t h e
c o n v e n t i o n aP
l h i l i p sc a s s e t t et a p e , m a k i n g
i t a b o u tt h e s a m e s i z e a s a s m a l l p a p e r b a c k n o v e l .T a p e w i d t h i s t h e s a m e a s '
s t a n d a r da u d i o t a p e u s e d i n o p e n - r e e l
tape decks-that is, 6.3 mm (1/4").While
at 9.5 cm/sec (3-3/4 ips), tape speed is
twice as fast as in cassettes.
ELCASETfeatures greater dynamic range,
w i d e r f r e q u e n c yr e s p o n s e ,a n d b e t t e r
q u a l i t y o f s o u n d , b u t s t i l l m a i n t a i n st h e
s a m e s i m p l e h a n d l i n ge a s e a s c a s s e t t e s .
The Technics RS-7500UShas been des i g n e d t o t a k e f u l l a d v a n t a g eo f a l l
t h e s e g r e a t i m p r o v e m e n t sw
, hile including
a d d i t i o n a lu n i q u ef e a t u r e st o m a k e t h i s o n e
of the easiest-to-usehigh-qualitytape
decks available today.
TechnicalSpecifications
Track System:
3-head, 4-track, 2-channel ELCASET
system
Tape Speed:
9.5 cm/s (3-3/4 ips)
Wow and Flutter:
0.06% (wRMs), +0.15% (DtN)
Frequency Response: 25-20,000Hz +3 dB (tape type I)
20-22,000 Hz (DlN) (tape type l)
25-22,000 Hz *3 dB (tape type tr
and III)
20-25,000Hz (DlN) (tape type tr and
ilr)
Signal-to-Noise
Ratio: 60 dB (tape type I, 315 Hz peak
level)
63 dB (tape type tr and Itr, 3'15 Hz peak
level)
Distortion:
0.8% (tape type III)
Inputs:
M I C ; s e n s i t i v i t y0 . 2 5 m V , a p p l i c a b l e
microphone impedance 400 ohms20 kilohms
L I N E ; s e n s i t i v i t y6 0 m V , i n p u t
i m p e d a n c e1 0 0 k i l o h m s
Ef I +
E ELbAS
Outputs:
LINE; output level 580 mV, load
i m p e d a n c e2 2 k i l o h m s
HEADPHONE;output level 60 mV,
l o a d i m p e d a n c eI o h m s
R e c / P BC o n n e c t i o n : 5 - p i n D I N
Motor:
1-FG Servo controlled DC motor
Heads:
R e c o r d i n g ;S u p e r P e r m a l l o yh e a d
P l a y b a c k ;S u p e r P e r m a l l o yh e a d
E r a s u r e ; D o u b l e - G a pF e r r i t e h e a d
P o w e r R e q u i r e m e n t s : AC 110t125t220t240V, 50/60 Hz
AC 240 V, 50 Hz (England only)
PowerConsumption: 4 5 W
Dimensions
(wxHxD):
48.3 cm x25.3 cm x35 cm
(19" x10" x13-3/4"1
Weight:
14 ks (30-718lbs)
h"""J,[
:,']:JlTff i #'gIBi:Hstandard
@Technics
Matsushita
Electric
S p e c i t i c a t i o n ss u b j e c t t o c h a n g e w i t h o u t n o t i c e . P r i n t e d i n J a p a n
ARD/E