McIntosh MC 60 Owners Manual

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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 Output Impedance Phase Shift Tube Complement Auxiliary Equipment Connection Size Weight Finish 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 be- low 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: 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