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This is a late-1970s quadraphonic receiver, so timing matters more than with a modern AV box: you’re buying a vintage collectible with restoration risk, not something you’d casually replace if it failed. At US$70, it is far below the typical used asking level for this model, which shows up around US$800-US$950 in the current market, so this reads as a bargain if it’s complete and powers up.
That low price makes it attractive because Sansui’s QRX line is well-regarded for ambitious four-channel decoding, rich vintage build quality, and strong collector appeal. If the faceplate, knobs, wood case, and all channel outputs are intact, there’s real upside here for someone who wants a restoration project or a period-correct quad centerpiece. The only meaningful caveat is age: these can need service, so verify that it actually functions in all channels and that no special accessories or missing parts will erase the deal.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
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.
See all Sansui listings on RADAR.
