For Sale: Vintage Sansui AU-555 Integrated Amplifier – A Classic from the Golden Age of Hi-Fi (circa 1971) Step back into the golden era of Japanese hi-fi engineering with this beautifully preserved Sansui AU-555 Integrated Amplifier. Produced around 1971, this amplifier is part of Sansui’s legendary early transistor line — renowned for its warm, musical sound, exceptional build quality, and understated elegance. The AU-555 delivers that distinctively rich Sansui tone prized by audiophiles and collectors alike — smooth mids, full-bodied bass, and crisp, natural highs. Its all-analog design and high-quality internal components make it an ideal choice for both vintage enthusiasts and those seeking authentic sound reproduction. Technical Specifications: Model: Sansui AU-555 Type: Solid-state integrated stereo amplifier Year of Manufacture: Circa 1971 Power Output: 20 watts per channel (RMS, 8 ohms) Total Harmonic Distortion: < 0.8% Frequency Response: 20 Hz – 20,000 Hz Input Sensitivity: Phono 2.5 mV / Aux & Tuner 150 mV Signal-to-Noise Ratio: Phono 70 dB / Aux 80 dB Damping Factor: 40 Speaker Outputs: A & B selectable pairs Tone Controls: Bass, Treble (with turnover selection) Dimensions: 430 x 140 x 320 mm (W x H x D) Weight: Approx. 9 kg Highlights: Classic black aluminum faceplate with vintage Sansui styling Clean well cared for unit from a non smoking household Discrete component circuitry — easy to service and upgrade Renowned for its warm, tube-like sonic character This AU-555 represents the heart and soul of early Sansui craftsmanship — a perfect addition for collectors or anyone seeking a true vintage hi-fi experience. A timeless amplifier for those who appreciate music the way it was meant to be heard — pure, natural, and full of life. Please see the detailed pictures for the description she really is in superb condition for her age. The photos form part of the description. Please note that vintage electronic items are not guaranteed. She has such a lovely tonality very reminiscent of a tube/valve amplifier. The definition of the vintage sansui sound. Please note that we will pack her with our custom double box and bubble wrap system and we pack for the safety of the item not for economy