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McIntosh MC2505

Solid State Power Amplifier (1970-75)

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McIntosh MC2505


The McIntosh MC2505 is a solid state power amplifier with a maximum power output of 100 watts RMS continuous, 50 watts per channel operating simultaneously, into 4 ohm, 8 ohm, or 16 ohm loads.

Harmonic distortion is less than 0.25% at rated power output from 20Hz to 20,000Hz.

Frequency range at rated output both channels; +0, 0.025dB, 20Hz through 20,000Hz.


Power output: 50 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.25%

Damping factor: 10

Input sensitivity: 0.5V

Signal to noise ratio: 90dB

Speaker load impedance: 4Ω to 16Ω


service information   English -

service bulletin mc-2505-1   English - toddbailey

service bulletin mc-2505-2   English - toddbailey

brochure   English - jalal1926

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re: MC2505

Hello there,
What are the gain specifications? I want to use it for bi-amping.

re: MC2505

Very good

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