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McIntosh C28

Solid State Stereo Pre Amplifier (1970-75)

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McIntosh C28


The McIntosh C28 is a high quality stereo pre-amplifier.

Each channel of the C28 consists of four parts, a low level amplifier, high level amplifier, active filters and headphone amplifier.

Common regulated power supplies furnish power to both channels.


Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.1%

Gain: 62dB (MM), 20dB (line)

Input sensitivity: 2.5mV (mic), 2mV (MM), 250mV (line)

Signal to noise ratio: 78dB (MM), 90dB (line)

Output: 250mV (line), 2.5V (Pre out)

Semiconductors: 26 x transistors, 4 x diodes, 2 x bridge rectifiers

Dimensions: 406 x 138 x 381mm

Weight: 11.34kg

Finish: anodized gold and black front panel


instruction/owners manual   English -

10X01 service information   English - krokkor

91X50 service information   English - krokkor

brochure   English - Ivy Caudieus

brochure (imp scan)   English - danickd

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This website is not affiliated with or sponsored by McIntosh. To purchase C28 spares or accessories, please contact the company via their website or visit an authorised retailer.