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Are you buying for a complete, working pair or for a restoration project? At £105, this sits below typical used-pair pricing for the SP-3500, which usually lands around £150-£230 in the UK-equivalent of the broader used market once you convert the common $190-$300 range; that makes this a strong buy if the drivers are all present and the cabinets are decent.

That’s because the SP-3500 is a big, vintage Sansui floorstander with real collector appeal and the kind of lively, full-bodied presentation fans of old-school Japanese hi-fi still chase. The upside is best when originality is intact—working tweeters, healthy woofers, and unmolested cabinets—so at this price I’d mainly want to confirm both speakers play properly and that there’s no major rot, missing drivers, or botched repairs.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Sansui

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.

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