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Sansui AU-555 Integrated Amplifier (Solid State) Clearing out a lot of vintage gear I have had stored for years. I have tested this - it powers on but the power button is not responsive. It then blew the fuses in the house so obviously a short and I stopped there. There is no top case for this amp. It was housed in the ugliest home made timber box which I broke apart to pull out, only to find it had no top! Looks very tidy inside considering age. One knob missing. Great for parts or restoration. On ebay a single geniune knob is listed for over $50 (plus postage) so value just for parts.
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Sansui, a pioneering Japanese audio brand, traces its origins to 1947 when it was founded in Tokyo by brothers Sakurai and Shunichi Yamamoto. Emerging from post-war Japan, the company quickly established itself as an innovator in consumer electronics, leveraging precision engineering to craft components that rivaled Western counterparts. Its heritage is rooted in the golden era of hi-fi, where Sansui's commitment to sonic purity helped define Japan's rise as a global audio powerhouse.
The brand excelled in a broad spectrum of hi-fi categories, with particular renown for its integrated amplifiers, receivers, and tuners that delivered warm, dynamic sound. Sansui also produced acclaimed speakers, turntables, cassette decks, and later digital converters, emphasizing robust build quality and innovative features like direct-coupled circuitry for low distortion. These products catered to audiophiles seeking balanced performance across analog and early digital domains.
Today, Sansui holds a cherished position in the vintage collector market, revered for its mid-to-high-end gear from the 1970s and 1980s—icons like the AU-series amps remain sought after for their musicality and reliability. While no longer a frontline manufacturer, its legacy endures among discerning buyers restoring classics or hunting timeless performers, blending nostalgia with enduring value.
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