McIntosh MC75 Mono Block Tube Amplifiers - $7,650 (Baldwin City)

McIntosh MC75 Mono Block Tube Amplifiers 1

McIntosh MC75 Mono Block Tube Amplifiers 1 thumbnail

condition: like new

make / manufacturer: McIntosh

model name / number: MC75

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The MC75 monoblocks are the kind of amps that make seasoned audiophiles nod with quiet respect. These aren’t just show ponies—they’re pure-blooded thoroughbreds, steeped in McIntosh heritage and rebuilt for today’s most demanding ears. Classic looks? Check. 6550 tube firepower? Absolutely. Sound that’ll stop you mid-sentence? You bet.

This pair is in amazing original excellent condition with custom covers. They are museum quality.

PRODUCTION
1961-70
CONDITION
9/10
ORIG. MSRP
$229 each

FACTORY SPECS
Type
Vacuum tube power amplifier (mono pair)
Response
16-40kHz (+0 -0.1dB)
Distortion
0.5%
Noise & Hum
-90dB
Output Impedance
4, 8, 16, 67, 150 and 600 ohms; 600 ohm balanced to ground; 4, 8 and 16 ohms isolated from ground
Output Voltages
25, 70.7, 115 and 230V; 230V winding center tapped
Internal Impedance
less than 10% of rated impedance
Input Impedance
250k
Input Sensitivity
0.5V (2.0V with gain control switched at maximum)
Transformers
Unity Coupled
Rectifier
Solid state
Dimensions
8.25"H x 8.24"W x 16.75"D
Weight
44 lbs.

post id: 7907281045

posted: 2026-01-08 06:44

updated: 2026-04-13 22:34

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McIntosh MC75 Mono Block Tube Amplifiers - electronics - by owner -...