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Sansui AU-7700

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Sansui AU-7700

Stereo Integrated Amplifier (1974-76)

Sansui’s prototype of the AU-7700 created a lot of excitement in our audio engineering division.

Here was an integrated amplifier of moderately large power output, very low distortion, sophisticated tone controls and source handling capabilities and much more.

Features of the AU-7700 include:

Terminals for connecting up to two pairs of speakers

Circuits for handling two tape decks

Terminals for connecting up to two turntables

Selectable pick-up load

Versatile control of tonal quality

High and low filter switches
Specifications

Power output: 54 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 50kHz

Total harmonic distortion: 0.1%

Damping factor: 30

Input sensitivity: 2.5mV (MM), 100mV (DIN), 100mV (line)

Signal to noise ratio: 75dB (MM), 85dB (DIN), 85dB (line)

Channel separation: 75dB (MM), 85dB (line)

Output: 100mV (line), 30mV (DIN), 0.8V (Pre out)

Speaker load impedance: 8Ω (minimum)

Semiconductors: 57 x transistors, 22 x diodes, 3 x zener diodes, 1 x LED

Dimensions: 434 x 130 x 315mm

Weight: 12.3kg

Year: 1975

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