Sansui AU-555
Solid State Stereo Control Amplifier
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: 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
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
Downloads
operating instructions and service manual (en) - Biro
schematic (en) - Biro
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