The AU-555 is a very well regarded amplifier in the audio community. Popular for its sweet sound and more than sufficient power to drive large floorstanding speakers. These units are built to last and this particular one is in its all original glory. The cover got the original paint and the fascia does not have the slightest scratch.
We have cleaned the insides of the units from dust, replaced the broken bulb for the power light and doexidised all knobs and potentiometers.
This unit comes with 3 months warranty.
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
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