McIntosh C28

Solid State Preamplifier with Wood Case.


This classic preamp from McIntosh is in very nice condition. Original box, packing, and manual are not included.

Wood case is included.

Here is a great example of this classic stereo preamplifier from McIntosh. This is a fantastic piece to get into McIntosh: it is not ridiculously expensive but it makes a great case for why the McIntosh brand is so well revered. From the 1970-75 era, 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

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