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Fresh out of the technician's office for a servicing including :- Full recap of electrolytic capacitors and filter capacitors- Interior, potentiometer, and contact cleaningIt is now working as intended.*** Important information for buyers in the USA***All imports to the USA will be charged customs clearance and import tariffs, regardless of cost.*** Important information for buyers outside of North America ***All units and parts we sell are from 120V units. Please keep this in mind whether you purchase parts for restoration, or purchase a working unit. Working units will most likely require either a step-up or step-down transformer depending on your region.At Montreal Online Store, our mission is to breathe new life into vintage stereo equipment, making high-quality sound accessible and affordable for everyone. We are dedicated to refurbishing classic audio gear with care and precision, ensuring that each piece delivers timeless performance. Rediscover the magic of vintage sound with us!All of our electronic items have been tested and are in working condition unless stated otherwise. Units that have been professionally serviced will be mentioned both in the title and description. Any defects found during testing will be mentioned.The items pictured are not stock photos, and are the exact items you will be receiving. In the case of a listing with a stock quantity, they will be in very similar condition.Once a purchase is completed, your order will be shipped out within 2 business days. In the case of items with free shipping, please allow up to 3 business days, as free shipping often applies to items with dimensions that are unlike most of our inventory, and we will need to obtain appropriate materials to ship them.Customer service is our top priority: We work hard to ensure every buyer is satisfied with their purchase. Our reputation is the most valuable thing to us. Before you consider leaving negative feedback, please contact us directly should you have any issues with your purchase and we will make it right!Thank you for choosing Montreal Online Store, we are a small family-run online store and your business means the world to us!Vintage Audio FAQ :What is serviced?Servicing vintage stereo equipment involves a comprehensive process designed to restore both its functionality and performance. Our skilled technician begins by thoroughly inspecting each unit to identify any wear, damage, or outdated components. This is followed by cleaning and recalibrating the equipment to ensure optimal operation. When necessary, we replace worn-out parts with high-quality, compatible replacements and test the unit extensively to confirm it meets our rigorous standards. Each step is performed with precision and care to ensure that your vintage stereo equipment not only looks and sounds its best but also delivers reliable performance for years to come.Why pay more for serviced equipment?When you purchase serviced vintage stereo equipment from us, you're investing in more than just a classic piece of audio gear — you're choosing expertly inspected and professionally serviced equipment that combines the charm of the past with the reliability of the present. Our skilled technician meticulously evaluates and restores each unit to ensure optimal performance and longevity, so you can enjoy the rich, authentic sound of vintage audio with confidence. With our thorough servicing, you can rest easy knowing that your equipment is free from imminent issues and ready to deliver exceptional sound for years to come.As you explore our serviced vintage stereo equipment, please keep in mind that while we meticulously restore each piece, the machines and their parts do have some limitations due to their age and use. Our goal is to ensure you enjoy the charm and quality of classic audio with transparency and appropriate expectations.Shipping risksVintage stereo equipment is prized for its classic charm and exceptional sound quality, but it is also inherently delicate due to its age and intricate components. Shipping such equipment carries inherent risks, as vibrations, impacts, and improper handling can potentially cause damage. To mitigate these risks, we take every precaution to package your equipment securely. Despite our best efforts, please be aware that even with careful packing, there is a risk of damage during transit. We are committed to ensuring that your vintage gear arrives in the best possible condition and are here to assist with any concerns you may have. If you do receive an item that is damaged or defective, please reach out to us and we will assist you with options to resolve the situation.
This is an ambitious ask. With your own database as the anchor, US$757 sits well above the US$587 75th percentile and far above the US$417 median, so it’s pricing in a premium rather than a normal used-market deal.
That said, the amp is a respected vintage Sansui integrated, and the AU-517 is known for strong drive, a punchy, musical presentation, and enough current to make classic speakers wake up. If this one is genuinely clean, all-original, and serviced, the upside is in owning a desirable piece with real listening credibility; just remember that at this level you want proof of health, not optimism.
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.
