McIntosh MA6500 Owner's Manual

12
How to Operate
How to Operate
Power On
Press the POWER switch to ON. The Red LED above the
STANDBY/ON push-button, lights to
indicate the MA6500 is in Standby
mode. To turn On the MA6500, press
the STANDBY/ON push-button. The
MUTE LED will light for approxi-
mately two seconds after turn on. Refer
to figures 9 and 10.
Note: For normal
operation, turn the
MA6500 On and Off
with the Standby/On
push-button. If the
amplifier is not going
to be used for an
extended time, turn
off all AC Power with
the Power Switch. You
may also turn On the
MA6500 by simply
pressing the desired
Source Selection
Push-button on the
Front Panel or
Remote Control.
Source Selection
Select the desired source
with the appropriate push-
button switch on the Front
Panel or Remote Control.
Refer to figures 10 and 11
and page 15 for additional
information.
Volume Control
Adjust the VOLUME con-
trol for the desired listening
level.
PH/AUX Inputs
When using a phono player with a moving magnet cartridge
connected to the PH/AUX inputs, set the
PH AUX switch to the PH position.
When using an auxiliary program source
component connected to the PH/AUX in-
puts, set the PH AUX switch to the AUX
position. Refer to figure 12.
Balance Control
Adjust the BALANCE control as needed to achieve ap-
proximately equal listening volume levels in each loud-
speaker. Turn the BALANCE to the left to emphasize the
Left Channel by reducing the level of the Right Channel.
Turn the BALANCE to the right to emphasize the Right
Channel by reducing the level of the Left Channel.
Bass and Treble Controls
Adjust the BASS and TREBLE controls to suit your listen-
ing preferences. The bass or treble intensity can be in-
creased with clockwise rotation and decreased with counter-
clockwise rotation. All tone control circuit elements are re-
moved from the signal path when the controls are in the cen-
ter or flat position.
Loud Switch
Press the LOUD push-button to add loudness bass compen-
sation to the volume control for improved low level listen-
ing.
Mono
Press the MONO push-button to combine left and right ste-
reo signals to mono at the SPEAKERS 1 and 2 and HEAD-
PHONES output.
Mute
Press the MUTE push-button to mute audio in all outputs
except the HEADPHONES and TAPE OUTPUT. The
MUTE LED above the push-button will flash on and off to
indicate that Mute is active. To unmute audio, press MUTE,
press the Remote Control Volume push-button(s) or press
an Input push-button.
Figure 9
Figure 11
Figure 12
Figure 10

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