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
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)
Frequency Range |
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 |
Harmonic Distortion
Intermodulation Distortion
Impulse Distortion
Noise and Hum Level
Damping Factor
Input Impedance
Output Impedance
Phase Shift
Tube Complement
Auxiliary Equipment Connection
Size
Weight
Finish
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 |
|
||
4, 8, 16, 83 (70.7 volts) and 600 ohms (600 ohm is balanced to ground)
±8° 20-20.000 cycles
Rectifier: |
2-5U4GB |
Pre-Amp: |
12AX7 |
Phase Inverter: |
12AU7 |
Voltage Amp: |
12BH7 |
Driver: |
12AX7 |
Output: |
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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