Sansui QRX-5500 Quad Receiver – Professionally Restored – No Warranty – No Returns
This 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.
Key Highlights
- Professionally inspected and serviced by HQaudios technicians
- Fully tested for clean, stable, and reliable operation
- Classic Sansui vintage sound with four-channel capability
- All major functions tested before shipment
- Controls cleaned and treated for smooth operation
- Carefully packed for safe delivery
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 / No Returns |
Sound Character
This 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.
Cosmetic Condition
This 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 description.
- Faceplate: 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.
HQaudios Restoration & Testing Process
Before 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.
Video Test & Sound Demo
Please contact us directly 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.
Suggested Pairing
The 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 System
Sansui QRX-5500 Receiver
Sansui SP-2000 or SP-2500 Speakers
• Classic Acoustic Research System
Sansui QRX-5500 Receiver
Acoustic Research AR-3a Speakers
• Classic JBL System
Sansui QRX-5500 Receiver
JBL L100 Speakers
• Classic Pioneer System
Sansui QRX-5500 Receiver
Pioneer CS-99A Speakers
• Classic Advent System
Sansui QRX-5500 Receiver
Advent Maestro Speakers
• Vintage Quadraphonic System
Sansui QRX-5500 Receiver
Four Matching Vintage Speakers
Quadraphonic Source
For 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.
Combo Discount
Save $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.
Trade-In Program
If 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.
Shipping & Packaging
This 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 protected
- Heavy-duty box and protective packing materials used
- Extra protection around faceplate, knobs, and corners
- Tracking provided after shipment
- Signature may be required for delivery
Customer Service
Once 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.
Important Note for Vintage Audio Buyers
This 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.
Your satisfaction is important to us. Please contact us first if you need assistance after delivery.

























































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