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Sansui AU-9900 Integrated Amplifier (Solid State) This is a Sansui AU-9900 from their professional range.It's been fully recapped and all potentially problematic transistors replaced. So many more years of great sound.It's powerful but has great finess.Really impressive phono stage too.Happy to help with delivery around MelbourneCondition is really good, faceplate is great! Only issue is some slight pitting on the block diagram.Brand new isolated Tortech 500va stpedown will be provided. Worth nearly $300. SpecificationsPower output: 80 watts per channel into 8Ω (stereo)Frequency response: 10Hz
The Sansui AU-9900, a top-grade 1975 integrated amplifier from Sansui’s professional line, is listed at A$1,600, which sits well below the 25th percentile of A$1,744 for comparable AUD listings, making this a strong deal and clear bargain for a well-loved vintage unit. Even considering typical used market ranges in AUD, this price is excellent and represents a genuine opportunity for an enthusiast seeking a high-performance, original-condition amplifier.
This model is highly regarded for its robust build quality, triple triple-tone controls, and ability to support two turntables, two tape decks, and dual speaker sets, all wrapped in an attractive chassis with solid, precise controls. Its 80W per channel output delivers clean, dynamic sound with minimal distortion, and finding one in like-new condition at this price is rare. With no noted failure points or missing accessories in this listing, it’s a smart buy for anyone valuing vintage reliability and sonic excellence.
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.
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