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Sansui AU-555

Solid State Stereo Control Amplifier (1969-71)

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Sansui AU-555

Specifications

Power output: 20 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 50kHz

Total harmonic distortion: 0.5%

Damping factor: 12

Input sensitivity: 3.5mV (mic), 2mV (MM), 200mV (line)

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

Output: 140mV (line)

Speaker load impedance: 4Ω to 16Ω

Semiconductors: 22 x transistors, 6 x diodes, 4 x thermistors, 1 x SCR

Dimensions: 15 x 4-3/8 x 10-7/8 inches

Weight: 17.4lbs

Downloads

operating instructions/service manual  English - Biro

schematic  English - Biro

schematic (imp scan)  English - Paul Edman

operating instructions/service manual (imp scan)  English - Ivy Caudieus

Related Catalogues

Stereo

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Reviews

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rating
Submitted by jammonz

a beautiful little integrated and under stated as far as output wattage.

 

Comments

re: AU-555

I have had the A version of this amp for many years and it has great sound. I like the tone controls.
It has been very reliable also.

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