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Pioneer C-21

Stereo Pre-Amplifier (1977-80)

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Pioneer C-21


The C-21 is a stereo preamplifier composed of an equaliser amplifier and a flat amplifier and designed to display the ultimate in sound quality.

It is a streamlined model and so does not feature a tone control circuit or accessory circuitry.


Frequency response: 10Hz to 100kHz

Total harmonic distortion: 0.005%

Input sensitivity: 2.5mV (MM), 150mV (line)

Signal to noise ratio: 80dB (MM), 100dB (line)

Output: 150mV (line), 1V (Pre out)

Semiconductors: 36 x transistors, 47 x diodes

Dimensions: 420 x 81 x 357mm

Weight: 6.3kg

Accessories: connecting cord and hex wrench


Related Catalogues

Hi-Fi Stereo

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Reviewed Nov 07th, 2018 by

High quality preamplifier with a MM phono that have a bunch of adjustments and sound quality that can be compared to some of the best around.

Reviewed Aug 25th, 2017 by

very nice sound. clear and fine. speciality for vinyle.

Reviewed Feb 26th, 2015 by

Under its humble and simplified appearance, what a superb design and engineered pre amp, and one that will run against any other pre amp and holds its own, no matter what price and era!
All and all, such a faithful and wonderful sounding pre amp!



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