McIntosh MA6500 Owner's Manual

11
Front Panel Controls, Push-Buttons and Switch
POWER
switch turns
all AC power
completely
ON or OFF
MONO push-button
combines the left and
right channel signals for
Mono operation
VOLUME control
allows adjustment of
the listening level
for both channels
The BALANCE control
allows adjustment of
the relative volume bal-
ance between channels
MUTE push-button
mutes the listening
audio
STANDBY/ON
push-button
turns the
MA6500 ON, or
OFF (Standby)
IR Sensor
receives
commands
from a re-
mote con-
trol
HEADPHONES jack
allows connection of
Stereo Headphones
for private listening
METER indicates the
Left Channel Power
Output of the amplifier
POWER GUARD
LEDs light when the
amplifier’s channel
POWER GUARD
circuit activates
METER indicates the
Right Channel Power
Output of the amplifier
LOUDNESS
provides fre-
quency re-
sponse con-
toured to com-
pensate for the
behavior of the
human ear at
softer listening
levels
Select any one
of the six Audio
signal sources
TREBLE control pro-
vides 12dB boost or cut
with a flat center position
BASS control provides
12dB boost or cut with
a flat center position
SPEAKERS
1 and 2
push-buttons
turn the
speakers On
or Off

McIntosh MA6500 Specifications

Power Output

RMS Power Output at 8 ohms	120 W
RMS Power Output at 4 ohms	200 W
RMS Power Output at 2 ohms	250 W

Distortion and Noise

Total Harmonic Distortion	0.005%
Intermodulation Distortion	0.005%
S/N Ratio (A-Weighted) Power amp	110 dB below rated output

Input and Output

Maximum Voltage Output	8 V from 20Hz to 20kHz
Input Sensitivity High level	250 mV for 2.5 V rated output
Maximum Input Signal High level	10 V

Impedance and Gain

Output Load Impedance	2, 4, or 8 ohms
Input Impedance High level	22k ohms
Voltage Gain High level to tape	0 dB

Weight and Dimensions

Dimensions (h x w x d)	13.7 x 44.5 x 46 cm
Weight net	18.6 kg
Weight shipping	27.3 kg