1960 McIntosh MC30 Vintage 30-Watt Mono Tube Amplifier – ’60 MC-30 Type A-116-B MonoBlock Amp

1960 McIntosh MC30 Vintage 30-Watt Mono Tube Amplifier – ’60 MC-30 Type A-116-B MonoBlock Amp

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– For your consideration is this vintage 1960 McIntosh MC30 mono tube amplifier.
– This very good all original example, serial number 5E526, is in nice cosmetic condition and perfect working order.
– It exhibits expected surface oxidation and light rust. It has not been cleaned or detailed.

ELECTRICAL AND MECHANICAL SPECIFICATIONS
Specifications for the McIntosh Model MC-30 Audio Amplifier

Power Supply – 117/125 volta, 50/60 cycles
Power Consumption – 135 watts at 30 watts output / 105 watts at zero signal output
Power Output – 30 watts continuous
Input level –  Input #1 (pin jack and screw terminals and pin Sofpre-ampsocket) 5 volts to 30 volts, with gain control Input #2 (pin 2 of pre-amp socket) 2.5 volts, (For use with McIntosh pre-amplifier equipment)
Frequency Range – 20 to 30, 000 cycles ‡ 1 db at 30 watts output, 15 to 50,000 cycles ‡ 5 db at 30 watts output, 10 to 100.000 cycles‡ 1 db at 15 watts output
Harmonic Distortion –  Less than 1/3% at 30 watts output or less, 20 to 20,000 cycles
Intermodulation Distortion – Less than 1/2% if instantaneous peak power is below 60 watts for any combination of frequencies 20 to 20,000 cycles
Impulse Distortion – Negligible
Noise and Hum Level – 90 db or more below rated output
Damping Factor – 12 or better for 4, 8 and 16 ohm output, 16 for 600 ohms
Input Impedance – 0.5 meg for 0. 5 volt input and 0. 13 meg for 2.5 volt input. 20 cycles to 40 Kc
Output Impedance – 4, 8, 16. 166 (70.7 volts) and 600 ohms (600 ohm is balanced to ground)
Phase Shift – 20 cycles 3°, 20,000 cycles 9°
Tube Complement – Pre-Amp: 12AX7, Phase Inverter: 12AU7, Voltage Amp: 12 BH7, Driver: 12AX7, Output: 2–6L6GC/1614,  Rectifier: 5U4-GA. Designed to power C-8 and other McIntosh Pre-Amplifiers.
Size – 13″ x 8″ x 8″ high, chassis type construction
Weight – 30. 5 pound, net
Finish – Chrome and Black

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