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Sansui AU-555A

Solid State Stereo Control Amplifier (1971-73)

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Sansui AU-555A

Description

In design, appearance and performance, the amplifier draws heavily on the careful engineering that has made Sansui's larger AU amplifiers, favourites among stereo enthusiasts throughout the world.

The AU-555A is an upgraded model of the AU-555, featuring refined dull black panels and the exclusive triple tone controls.

Specifications

Power output: 25 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 30kHz

Total harmonic distortion: 0.5%

Damping factor: 50

Input sensitivity: 2mV (MM), 180mV (DIN), 180mV (line)

Signal to noise ratio: 70dB (MM), 80dB (line)

Channel separation: 45dB (MM), 50dB (line)

Output: 180mV (line), 30mV (DIN)

Speaker load impedance: 4Ω to 16Ω

Semiconductors: 23 x transistors, 2 x diodes

Dimensions: 395 x 127 x 278mm

Weight: 8kg

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Comments

re: AU-555A

I just got one these recapped and refurbished. The sound is stunning! Highly recommended.

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