McIntosh, MC30 Monos... What More Can Be Said!

Sale price Price $4,250.00 Regular price Unit price  per 

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OK classic Mac fanboys, here they are in all their glory - we are finally offering this amazing set of McIntosh MC30 Tube Monoblocks packing infinate tubey greatness. I feel we must have 10 customers either looking for a set or that have seen these here at the loft waiting for them to be done - well, here ya go! Totally rebuilt, recapped, updated, upgraded and now bringing all the audio excellence these classic 1954 masterpices have to offer - extraordinary sonic experience!! Not gonna bore anyone writing what's already been written 1000x - they are what they are and what they are is maybe the finest performing power amplifiers McIntosh has ever produced. 


Type  Tube-based single-channel power amplifier
Power Supply  117 - 125 volts, 50/60 cycles

Power Consumption  135 watts at 30 watts output; 105 watts at zero signal output

Power Output  30 watts continuous

Input Level  .5 volts to 30 volts, with gain control (standard input and octal pin 5); 2.5 volts (octal pin 2)

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 1000,000 cycles ±1 dB at 15 watts output

Harmonic Distortion  less than ⅓% if instantaneous peak power is below 60 watts between 20 and 20,000 Hz

Impulse Distortion  negligible

Noise and Hum Level  90 dB or more below rated output

Damping Factor  12 or better for 4, 8 and 16 Ω output, 16 for 600Ω

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 and 600 Ω (600Ω is balanced to ground)

Phase Shift  20 cycles 3°, 20,000 cycles 9°

Tube Complement  12AX7 (preamp),
12AU7 (phase inverter),
12BH7 (voltage amp),
12AX7 (driver),
2x 1614 (output),
5U4-GA (rectifier)

Size  13”W x 8”H x 8”D
Weight  30.5 lbs

So look, these are no trailer queens, they have some chrome pitting and a few nicks and dings but they are TOTALLY presentable and perform better than any you'll find having been extensively rebuilt. Seeing is one thing, hearing is another. Come demo these fine McIntosh Classics here are the Lawrence shop.

McIntosh, MC30 Monoblock Power Amplifiers: $4200 the pair plus shipping and sales tax when applicable