McIntosh MC75 is a legendary 75-watt vacuum tube monoblock power amplifier first introduced in 1961 and later reissued in modern iterations. It features McIntosh’s signature Unity Coupled circuit design, iconic chrome chassis styling, and high-end audio fidelity, commonly sold as a pair for high-end stereo setups.
Key Specifications & Performance
Power Output: 75 watts into 2, 4, or 8-ohm loads
Frequency Response: 10Hz to 100,000Hz (+0, -3.0dB)
Total Harmonic Distortion: 0.5% maximum at rated output
Signal-to-Noise Ratio: 110dB below rated output
Weight: 38 lbs (17.2 kg) per monoblock
Tube Complement
Output Tubes: Two KT88 or 6550 power tubes
Driver / Input Tubes: 12AX7A and 12AT7 small-signal tubes
