7
MA6900 Rear Panel Connections and Switch
Main Fuse holder,
refer to information
on the back panel
of your MA6900 to
determine the cor-
rect fuse size and
rating
Right OUTPUT
Connections for
2, 4 or 8 ohm
loudspeakers
Left OUTPUT
Connections for
2, 4 or 8 ohm
loudspeakers
The EXT
(external)
SENSOR(s)
for a Keypad
or IR Sensor
TAPE input
accepts signals
from the out-
put of a tape
deck
GND terminal
accepts a
ground wire
from a turn-
table
VIDEO inputs
for audio signals
from a LV, VCR,
TV or an A/V
Selector
POWER CONTROL
MAIN Output sends
a turn-on signal to an
external McIntosh
Power Amplifier
when the MA6900 is
turned on
POWER CONTROL 1 and 2
Outputs send a turn-on signal
to an external McIntosh
Power Amplifier when the
MA6900 Front Panel Output
1 and/or 2 is On
POWER CONTROL
ACC Output sends a
turn-on signal to a
McIntosh Source
Component or Power
Control unit when the
MA6900 is turned on
DATA PORTS send
signals to McIntosh
Compatible Compo-
nents to allow control
with the remote con-
trol
Connect the
MA6900 power
cord to a live AC
outlet. Refer to in-
formation on the
back panel to deter-
mine the correct
voltage
CD1 balanced INPUTS
accept high level program
source signals
OUTPUTS 1
and 2 supply
the Preamplifier
Output to either
the internal or
external power
amplifier
POWER AMP IN
inputs accept sig-
nals from a sepa-
rate external
preamplifier
JUMPER PLUGS
connect the Pream-
plifier OUTPUT 1
Jacks to the POWER
AMP IN Jacks and
are needed for nor-
mal operation
TAPE OUTPUTS
provide the Record
Out Signal
AUX accepts high level program
source signals, PH accepts signals
from a Moving Magnet phono car-
tridge, and the small slide switch
selects which one of these two in-
puts is active when the front panel
PH/AUX Push-button is pressed
TUNER and
CD2 inputs ac-
cept signals
from the output
of a tuner and
CD player
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