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At US$1,500, this sits well above the recent used-market median of US$758 and even clears the 75th percentile of US$975, so it reads as ambitious rather than fair. Unless this one has exceptional provenance, originality, or a clearly documented top-tier service history, the asking price leaves little room for the usual age-related risk.

That said, the B2101 is the kind of Sansui power amp people chase for its muscular, authoritative sound and solid build, so a pristine, untouched example can still make sense for the right buyer. I’d want to see proof of clean operation, no hacks or deferred servicing, and ideally original cosmetic condition and packaging or paperwork; at this level, those details are what separate a collectible from an expensive gamble.

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.

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