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Pioneer SA-420

Stereo Integrated Amplifier (1981-82)

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Pioneer SA-420


Power output: 21 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 60kHz

Total harmonic distortion: 0.1%

Damping factor: 30

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

Signal to noise ratio: 72dB (MM), 97dB (line)

Output: 150mV (line)

Dimensions: 420 x 94 x 267mm

Weight: 4.6kg

Year: 1981


service manual   English -

service additional   English -

circuit descriptions   English - Digger747

instruction/owners manual   English Deutsch - emerson.marini

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Reviewed Jan 03rd, 2015 by woodchipwill

I acquired this amp from a shop in town whome had used it for background music since new, I serviced it and cleaned it and have been using it in my workshop powering a pair of floorstanding speakers for the last 8 years so to sum this little amp up... bomb proof!



re: SA-420

This is one sexy looking piece of gear !
I got one recently and after a bit of love and care it is almost as good as new !

re: SA-420

I bought my SA-420 in 1985 second hand and used it for 10 years with great satisfaction. It was then relegated to my attic where it has rested for the past 20 years. I have now decided to bring it back into use but amafraid that, without the manual I am unable to identify the connections on the back or even to confirm that it is still in working order. Can anyone help please?

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