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Pioneer SA-608

Stereo Integrated Amplifier (1979-80)

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Pioneer SA-608


The Pioneer SA-608 and SA-6800 have the same basic performance.

The major difference is in the appearance, the SA-6800 being fitted with the wooden side cover and top cover, while the model SA-608 employs a metal cover.


Power output: 45 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 50kHz

Total harmonic distortion: 0.02%

Damping factor: 30

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

Signal to noise ratio: 78dB (MM), 100dB (line)

Output: 150mV (line)

Speaker load impedance: 4Ω to 16Ω

Semiconductors: 7 x IC, 23 x transistors, 17 x diodes

Dimensions: 451 x 151 x 271mm

Weight: 8.3kg

Year: 1979


service manual   English -

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Hi-Fi Stereo

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Reviewed Sep 27th, 2016 by will1967

Just picked up on of these in mint condition and its just brilliant gives my Rotel RA10 a run for its money , Sounds best when listening to Vinyl , The built in phono stage is very good




I just bought this amp, and I have a problem...
When I turn it on, the volume goes down on its own until it disappears, the blue lines go down too. The connection goes from AUX to my iMac.
I can't make any other connections, I don't have a turntable or a tape recorder (they're broken).
Can this amp work with a computer?
Is there a problem with the volume pot?

Thanks for any answers

re: SA-608

Computer's output can be connected to AUX, Tape or Tuner ports that having the same Input sensitivity/impedance.

Problem may be capacitors or any other signal control units. If you hook up at Tape or Tuner works fine than the AUX connection having trouble, but it's rarely the case. This is an old analogue amp, the volume pot just work or not, won't affecting the output level if you are not turning it.

Bring it to repair shop, may be a simple fix.

morbius.krell's picture

re: SA-608

Very good material! Thanks a lot!

re: SA-608

Excellent quality of schematic, really helpful ! Thanks

Pioneer 608 manual

Awesome thanks...!

Pioneer SA-608

Great! Super quality schematic. Thank you.

nice work

thanx for uploading this i'v got one of these amps and he's working like a sunshine.
do someone knows the value of it?

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