The Sansui AU-20000 is an integrated stereo amplifier that emerged from the golden era of audio equipment in 1976. It delivers a continuous power output of 170 watts per channel into 8 ohms, with a commendable total harmonic distortion figure of just 0.05%. Known for its robust build quality, the amplifier incorporates high-quality components, including superior switches and potentiometers. The AU-20000 features a high-performance moving magnet (MM) phono preamp, headphone amplifier, and an extensive range of tape circuits. It boasts triple protection circuits for over-temperature, DC asymmetry, and area of safe operation (ASO) detection. Additionally, it employs differential amplification in its early stages for enhanced dynamic response. Another highlight is its impressive frequency response, spanning from 10 Hz to 50 kHz. With a weight of approximately 23.6 kg and dimensions of 460 x 178 x 400 mm, it is a significant presence in any audio setup. Its construction and serviceability have made it a preferred choice among audio enthusiasts seeking reliability and excellent sound reproduction.