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Sansui Au-9900 Stereo Amplifier Serviced in Amazing ConditionIMPORTANT: For sale one of the most iconic amplifiers manufactured by the prestigious Sansui brand, a gem from the golden age of audio in the 70s. The AU-9900 offers a clean and beautiful sound with ample power.For sale is this beautiful Sansui AU-9900 integrated amplifier. This unit has been exceptionally well cared for and recently received a complete electronic service, as shown in the photographs. Finding an amplifier in this condition today is extremely difficult. The unit is in outstanding cosmetic condition and is 100% fully functional.The AU-9900 is part of one of Sansui's finest series, renowned for its exceptional build quality and outstanding sound performance. Without a doubt, this is a true vintage audio gem and a highly desirable piece for any Sansui enthusiast or serious collector.The amplifier is sold like this, all photos of the real equipment are shown.A test video was recorded to the amplifier. You can watch it on our YouTube channel (SSC Global Company) to corroborate your purchase and be sure of it.The equipment is located in a Warehouse in Miami FL 33166.ABOUT SHIPPING: Our shipping process works like this: we pay a warehouse who is in charge of making the shipments safely. All orders are processed from Monday to friday. Then we proceed to attach the tracking to the box and photos will be sent to you so you can see the tracking on the box. Subsequently, the Pick-Up request will be made to FedEx. It is important for you to know that this process in which FedEx picks up the box at the warehouse can last from 24 to 120 hours during the working week (from monday to friday). When FedEx picks up the box you will be notified immediately since from that moment your order is on its way to your address.Only sold in the local US marketReturns are not acceptedThe shipment will be made only through FedEx Ground or FedEx Home.The box number is 92ASHIPPING USA• FedEx Ground 120$ (It takes around 4 to 7 days to deliver the package)Ask any questions you may have and we will kindly respond.
This is a classic Sansui piece with real collector appeal, and the asking price sits above the current used-market center. At US$1,599, it’s above the US$1,512 75th percentile and well over the US$1,223 median, so I’d call it ambitious rather than a bargain.
What makes it worthwhile is the AU-9900’s reputation for muscular, authoritative sound and a build style that still feels overbuilt by modern standards. If the unit is clean, unmodified, and properly serviced, that premium can make sense for a buyer who wants one of Sansui’s more respected integrateds; just make sure service history is documented, because age-related maintenance is the main thing that can turn a strong vintage buy into an expensive project.
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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