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Sansui QRX-5500 Quad Receiver – Professionally Restored – No Warranty – No ReturnsCondition: Tested, serviced and restored – Used working condition. With over 2,000 fully serviced and certified vintage receivers, amplifiers, tape decks, and speakers delivered. HQAudios stands as one of the most reputable sources for professionally restored vintage audio equipment. Please scroll down to view the complete description.1/ ABOUTThis listing is for a Sansui QRX-5500 vintage quadraphonic receiver, professionally inspected, serviced, and tested by HQaudios.This unit has been prepared for reliable daily use while preserving the distinctive, musical vintage sound and four-channel capability that makes classic Sansui receivers highly desirable among collectors and audiophiles.The receiver has been fully tested under real listening conditions and is ready to be enjoyed with your favorite speakers, turntable, tape deck, or other compatible audio sources.2/ KEY HIGHLIGHTSProfessionally inspected and serviced by HQaudios techniciansFully tested for clean, stable, and reliable operationClassic Sansui vintage sound with four-channel capabilityAll major functions tested before shipmentControls cleaned and treated for smooth operationCarefully packed for safe delivery3/ SPECIFICATIONS• Brand: Sansui• Model: QRX-5500• Type: Vintage Quadraphonic Receiver• Power Output: 22 Watts × 4 into 8 ohms, 20 Hz–20 kHz• Quadraphonic System: QS Regular Matrix with QS Vario-Matrix Circuit; Discrete 4-Channel capability• Inputs: Phono, Microphone, Aux 2-Channel, Aux 4-Channel, Tape Play 1/2, Discrete 4-Channel• Tuner: FM 88–108 MHz / AM 535–1605 kHz• Dimensions: 23.4 × 8.0 × 14.6 inches (W × H × D)• Weight: 47.5 lbs• Condition: Restored / Serviced / Tested• Warranty: No Warranty / Returns: No Returns4/ SOUND CHARACTERThis Sansui QRX-5500 delivers the classic vintage Sansui sound with a warm, smooth, full-bodied character and the added versatility of four-channel reproduction.It is an excellent choice for vintage stereo listening, vinyl playback, FM listening, and classic quadraphonic systems.The sound is clean and engaging, with natural midrange presence, smooth highs, and solid low-end response.Its QS matrix and four-channel architecture make it especially appealing to collectors and enthusiasts interested in vintage quadraphonic audio.5/ COSMETIC CONDITIONThis receiver is in used vintage cosmetic condition with normal age-related wear. [Add the actual visible cosmetic issues for this unit.]Please review all photos carefully, as they are part of the descriptionFaceplate: Used condition with normal signs of age and wear.Knobs and switches: Used condition with normal signs of age.Cabinet / case: Used condition with cosmetic wear consistent with age.Dial glass / meter / lamps: Used vintage condition.Rear panel: Used condition with normal signs of age.6/ HQAUDIOS RESTORATION & TESTING PROCESSBefore Restoration• The Sansui QRX-5500 was carefully inspected upon arrival to evaluate its overall condition and identify issues affecting operation.• The unit was inspected as a vintage 4-channel receiver, with particular attention given to the amplifier section, internal capacitors, controls, connections, and overall electrical condition.• The initial inspection indicated that the unit required capacitor service and general cleaning to ensure reliable operation.During Restoration• The receiver was thoroughly cleaned internally and externally to remove accumulated dust and contamination.• The power supply and amplifier circuitry were inspected for aging or deteriorated components.• Several aging electrolytic capacitors were identified for replacement as documented on the service sheet, including capacitors in the 50V, 100V, and related voltage ratings.• The specified capacitors were replaced with appropriate components to improve electrical stability and reliability.• Internal connections, wiring, controls, and accessible circuitry were inspected and tested for proper operation.• The receiver's 4-channel audio circuitry was checked as part of the restoration process to ensure proper operation across the available channels.After Restoration• The Sansui QRX-5500 was powered up and tested after the restoration work.• The receiver was checked for stable operation and proper audio output.• The serviced circuitry was monitored for reliable operation following capacitor replacement.• The controls and connections were checked to ensure proper functionality.• The unit was subjected to listening and operational tests to verify consistent performance before completion of the restoration.• Final inspection was performed to ensure the receiver was ready for use as a restored vintage audio component.7/ VIDEO TEST & SOUND DEMOPlease contact us via eBay messages if you would like to hear a video test of this unit before purchase.We are happy to provide additional video, sound demo, or photos upon request.8/ SUGGESTED PAIRINGThe Sansui QRX-5500 pairs exceptionally well with classic vintage speakers and is an excellent choice for building an authentic vintage multi-channel or stereo listening system.• Classic Sansui SystemSansui QRX-5500 ReceiverSansui SP-2000 or SP-2500 Vintage Speakers• Classic Acoustic Research SystemSansui QRX-5500 ReceiverAcoustic Research AR-3a Speakers• Classic JBL SystemSansui QRX-5500 ReceiverJBL L100 Speakers• Classic Pioneer SystemSansui QRX-5500 ReceiverPioneer CS-99A Speakers• Classic Advent SystemSansui QRX-5500 ReceiverAdvent Maestro Speakers• Vintage Quadraphonic SystemSansui QRX-5500 ReceiverFour Matching Vintage SpeakersQuadraphonic SourceFor the best performance, use four properly matched speakers when taking advantage of the QRX-5500's multi-channel capabilities, and position the speakers carefully to create a balanced and immersive listening environment.9/ COMBO DISCOUNTSave $100 when purchasing this receiver together with a qualifying pair of speakers or another restored vintage audio component from HQaudios.Please contact us before purchase so we can confirm availability and prepare a combined offer.10/ TRADE-IN PROGRAMIf you have vintage audio equipment such as receivers, amplifiers, speakers, cassette decks, or reel-to-reel tape decks and would like to upgrade to a restored unit, please contact us.HQaudios may accept trade-ins toward your purchase depending on the item, condition, and shipping location.11/ SHIPPING & PACKAGINGThis receiver will be professionally packed by HQaudios for safe delivery. Vintage receivers are heavy and delicate, so we take extra care to protect the faceplate, knobs, corners, rear terminals, and internal structure during shipment.Carefully wrapped and protectedHeavy-duty box and protective packing materials usedExtra protection around faceplate, knobs, and cornersTracking provided after shipmentSignature may be required for delivery12/ WARRANTYNo Warranty – No Returns.This unit is sold as a professionally restored and fully tested vintage audio component with no warranty and no returns.Please review all photos carefully and ask any questions before purchase. We strongly recommend confirming compatibility with your existing equipment before completing the purchase.13/ CUSTOMER SERVICEOnce your item arrives, if you have questions about setup, speaker connection, turntable connection, switch settings, or general operation, please contact us.We are happy to help you get the best performance from your vintage audio system.14/ IMPORTANT NOTE FOR VINTAGE AUDIO BUYERSThis is a vintage audio component, and minor cosmetic signs of age should be expected.We do our best to describe and photograph each item accurately. Please review all photos and ask any questions before purchase.Because this listing is offered with No Warranty and No Returns, please carefully review the complete description, specifications, cosmetic condition, and photos before purchasing.Your satisfaction is important to us. Please contact us before purchase if you need clarification about the condition, operation, compatibility, or setup of this receiver.Thank you for choosing HQaudios – Restored Vintage Audio You Can Trust
This one stands out mainly for being a collectible quad-era Sansui piece, and the US$1,299 asking price lands a touch above the US$1,096 median but still inside the recent US$850 to US$1,299 spread. That makes it upper-fair, not a bargain, with the price sitting at the top of the comparable market rather than well past it.
For a buyer who wants a well-regarded vintage surround receiver with real nostalgia appeal, this can still be a worthwhile buy if it’s fully functional and cosmetically clean. The upside here is rarity and enthusiast demand, but at this level I’d want confidence on channel operation, switches, lamps, and any service history, since age-related issues matter more than the badge when you’re paying near the top of the range.
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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