MC275 Stereo Operation Connection Diagram

1A
MC275 Stereo Operation Connection Diagram
Note:Refer to the MC275 Owner’s Manual page 10 for additional connection information.
Audio Preamplifier
Connection Legend:
Data Cable*- Digital Signal Cable Sensor/Keypad Cable - Network/RS232 Cable Power Control Cable* -
Ground Wire Audio Signal Cable - AC Power Cords Video Signal Cable - Loudspeaker Cable RF Signal Cable - * 2 conductor shielded with 1/8 inch stereo mini phone plug on each end.
Connect to
AC Outlet
Right Loudspeaker System
Left Loudspeaker System
(-)
(+)8Ω
(-)
(+)8Ω
(+)8Ω
(-)
(-)
(+)8Ω
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com Part No. 04131300
1B
MC275 Monaural Operation Connection Diagram
Note:Refer to the MC275 Owner’s Manual page 12 for additional connection information.
Audio Preamplifier
Connection Legend:
Data Cable*- Digital Signal Cable Sensor/Keypad Cable - Network/RS232 Cable Power Control Cable* -
Ground Wire Audio Signal Cable - AC Power Cords Video Signal Cable - Loudspeaker Cable RF Signal Cable - * 2 conductor shielded with 1/8 inch stereo mini phone plug on each end.
JUMPER
BAR1
Connect to
AC Outlet
Loudspeaker System
(+)16Ω
(-)
NOTE: When the Mode Switch is set to MONO, the
supplied Jumper Bars are used to connect the
output of the Left and Right Amplifier Channels in parallel. The effective output impedance of the MC275 Power Amplifier is now
8Ω, even though the physical connections are
made to the 16Ω terminals.
The 8Ω terminals would be paralleled when
a 4Ω Loudpeaker is connected to the MC275
(operating in MONO Mode). Likewise the
4Ω terminals would be paralleled when a 2Ω
Loudpeaker is connected to the MC275 (operating in MONO Mode).
1
(+)16Ω
(-)
JUMPER
BARS1
(+)8Ω
To second MC275
(-)
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com
JUMPER
BAR1
16
16