Alpha AU-607i

About the Alpha AU-607i

The Sansui Alpha AU-607i is an integrated amplifier manufactured by Sansui between 1987 and 1990. It features a double-mono construction and is known for its robust build quality and excellent sound performance. The amplifier delivers 90 watts per channel into 8 ohms with a total harmonic distortion of less than 0.003%, ensuring clean and precise audio reproduction. It supports multiple inputs including Phono MM and MC, CD, tuner, line, and tape, with high signal-to-noise ratios (88 dB for MM phono, 70 dB for MC phono, and 110 dB for line inputs). The frequency response ranges from DC to 300 kHz for high-level inputs and 20 Hz to 20 kHz for phono inputs, with tone controls allowing ±5 dB adjustment for bass and treble. The amplifier weighs 16 kg and measures 448 x 160 x 441 mm. It does not include a remote control and consumes 240 W of power. The original price in Japan was approximately 79,800 Yen in 1987, roughly equivalent to 1,200 DM at the time. This model is highly regarded for its sound quality, build, and longevity, often considered a classic in vintage HiFi equipment.