Small Sansui amplifier with phenomenal sound, just inspected and serviced, speaker terminals changed. Small damages on the wooden sides that do not affect the sound quality DESCRIPTION: The AU-505 is a solid state performer that belongs at the head of it's class. No other integrated amplifier in it's class can touch Sansui's AU-505 for tonal quality, versatility, ease of operation and economy. Offering luxurious performance at a modest cost, it comes across as the best buy in it's price range. In fact, it even offers features that more expensive models lack. Designed in the finest tradition of Sansui's prestigious AU series amplifiers, it delivers performance previously unheard of in a compact unit. SPECS: Power output: 12 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 60kHz Total harmonic distortion: 0.5% Damping factor: 50 Input sensitivity: 4mV (mic), 3mV (MM), 200mV (line) Signal to noise ratio: 70dB (mic), 70dB (MM), 75dB (line) Output: 200mV (line), 30mV (DIN) Speaker load impedance: 4Ω to 16Ω Semiconductors: 23 x transistors, 2 x diodes Dimensions: 407 x 115 x 278mm Weight: 8kg