McIntosh MA6500 Owner's Manual

18
Specifications
Specifications
Power Output
Minimum sine wave continuous average power output per
channel, all channels operating is:
200 watts into 4 ohm load
120 watts into 8 ohm load
Rated Power Band
20Hz to 20,000Hz
Total Harmonic Distortion
Maximum Total Harmonic Distortion at any power
level from 250 milliwatts to rated power output is:
0.005% for 4 or 8 ohm loads
Dynamic Headroom
2.4dB
Frequency Response
+0, -0.5dB from 20Hz to 20,000Hz
+0, -3dB from 10Hz to 100,000Hz
Sensitivity
Phono, 2.5mV for 2.5V rated output (0.5mV IHF)
High Level, 250mV for 2.5V rated output (50mV IHF)
Power Amplifier Input, 2.5V for rated output
Signal To Noise Ratio (A Weighted)
90dB (84dB IHF) below 10mV input, Phono Input
100dB (90dB IHF) below rated output, High Level
110dB below rated output, Power Amplifier
Intermodulation Distortion
Maximum Intermodulation Distortion if instanta-
neous peak output per channel does not exceed
twice the rated output, for any combination of fre-
quencies from 20Hz to 20,000Hz, with all channels
operating is:
0.005% for 4 or 8 ohm loads
Input Impedance
Phono, 47K ohms, 65pF
High Level, 22K ohms
Maximum Input Signal
Phono, 90mV
High Level, 8V
Preamplifier Maximum Voltage Output
Phono, 8V at tape output
High Level, 8V at tape output
Main Out, 8V at preamp output
Voltage Gain
High Level to Tape: 0dB
High Level to Main: 20dB
Damping Factor
120 at 4 ohms
230 at 8 ohms
Power Requirements
100 Volts, 50/60Hz at 7.4 amps
110 Volts, 50/60Hz at 6.2 amps
120 Volts, 50/60Hz at 6.2 amps
220 Volts, 50/60Hz at 3.1 amps
230 Volts, 50/60Hz at 3.1 amps
240 Volts, 50/60Hz at 3.1 amps
Note: Refer to the rear panel of the MA6500 for the correct
voltage.
Overall Dimensions
Front Panel: 17-1/2 inches (44.45cm) wide, 7-1/8 inches
(18.10cm) high. Depth behind front mounting panel is 16-1/
2 inches (41.91cm). Clearance required in front of the Front
Panel is 1 inch (2.54cm) for knobs.
Weight
74.5 pounds (33.8 Kg) net, 92.5 pounds (41.7 Kg) in ship-
ping carton

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