Solid State Stereo Pre Amplifier (1970-75)
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
Finish: anodized gold and black front panel
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