McIntosh MC-60 User Manual
INSTRUCTION MANUAL
MclNTOSH MODEL MC-60
60 WATT POWER AMPLIFIER
Type A-121
Serial No. 5F846 and above
MclNTOSH LABORATORY, INC.
2 Chambers St. Binghamton, N. Y.
U.S.A.
ELECTRICAL AND MECHANICAL SPECIFICATIONS
Specifications for the Mclntosh Model MC-60 Audio Amplifier
Power Supply
Power Consumption
Power Output
Input Level
Frequency Range
Harmonic Distortion
Intermodulation Distortion
Impulse Distortion
Noise and Hum Level
Damping Factor
Input Impedance
117/125 volts, 50/60 cycles
280 watts at 60 watts output
155 watts at zero signal output
60 watts continuous
Input #1, 0. 5 volts to 30 volts, with gain control
Input #2, 2. 5 volts (for use with Mclntosh Audio
Compensators and Pre-Amps)
20 to 30, 000 cycles ± .1 db at 60 watts output
16 to 60, 000 cycles ± .5 db at 60 watts output
1.0 to 100, 000 cycles ± 1.0 db at 30 watts output
Less than 0.5% at 60 watts output or less, 20
to 20, 000 cycles.
Less than 0.5% instantaneous peak power is below 120 watts
Negligible
90 db or more below rated output
12 or better for 4, 8, and 16 ohm output, 16
for 600 ohms
0. 5 meg for 0. 5 volt input and 0. 13 meg for
2. 5 volt input, 20 cycles to 40 KC
Output Impedance
Phase Shift
Tube Complement
Auxiliary Equipment Connection
Size
Weight
Finish
4, 8, 16, 83 (70.7 volts) and 600 ohms (600 ohm
is balanced to ground)
±8° 20-20.000 cycles
Rectifier:
Pre-Amp:
Phase Inverter:
Voltage Amp:
Driver:
Output:
2-5U4GB
12AX7
12AU7
12BH7
12AX7
2 KT-88/6550
Designed to power C-4, C-8 and other Mclntosh
pre-amplifiers
14" x 10" x 8" high, chassis type construction
46 pounds net
Chrome and Black
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