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Sansui AU-7900

Integrated Stereo Amplifier (1976-77)

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Sansui AU-7900


The Sansui AU-7900 is an integrated stereo amplifier giving a high power output of 80 watts per channel of clean, undistorted music reproduction: so accurate it becomes difficult to distinguish from the original live performance.

Features include:

NF-type phono equaliser: the deviation from the standard RIAA curve is only -± 0,3dB over the entire range. Superb preamp, superb powerful amplifier.

Tape play/dubbing switch, simultaneous connection of two stereo tape decks.

Triple Tone Control: bass, treble and midrange with selectable turnover frequencies.

Direct-coupled true complementary OCL output.

Dual power supply, triple power-circuit protection.


Power output: 75 watts per channel into 8Ω (stereo)

Frequency response: 5Hz to 40kHz

Total harmonic distortion: 0.1%

Damping factor: 80

Signal to noise ratio: 90dB (line)

Channel separation: 50dB (MM)

Dimensions: 430 x 132 x 340mm

Weight: 14.2kg

Year: 1976


service manual   English -

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Reviewed Jan 10th, 2015 by javado

Very Good amp.



jairmaz's picture

re: AU-7900

Many thanks for yours service

AU 7900 operating instructions

I've justreceived my AU-7900 but i'm searching for the owners manual, if possible the european version with english, dutch and french languages.

re: AU 7900 operating instructions

I'm trying to find one too have you had any luck?

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