Sansui QRX-7001 Quadraphonic Receiver

The Sansui QRX-7001 is a classic quadraphonic stereo receiver from Sansui’s renowned 1970s lineup, designed during the peak of analog innovation. Built to support both traditional 2-channel stereo and immersive 4-channel (quadraphonic) playback, the QRX-7001 represents Sansui’s advanced engineering philosophy—powerful, flexible, and uncompromising in build quality.

With its wide glass dial, green-illuminated tuning scale, symmetrical control layout, and solid walnut wood cabinet, the QRX-7001 delivers a commanding visual presence. Sonically, it is known for its warm yet controlled Sansui sound, strong midrange body, and excellent channel separation—whether used in stereo mode or quad configuration.

This unit has been professionally serviced and restored by HQaudios to ensure dependable performance, smooth operation, and preserved vintage character, making it an excellent choice for collectors and serious vintage audio enthusiasts.

• Condition: Excellent – Serviced, tested, and cleaned
• Model: Sansui QRX-7001
• Type: 4-Channel / 2-Channel Quadraphonic Stereo Receiver
• Protection Plan: 1-Year Warranty Included
• Free Support: Must be used before requesting return
• Packaging: Securely packed, insured, and tracked
• SKU: 151THLC0150

Customer Service:

Once your item arrives, if you have questions about how your item functions or proper settings, please CONTACT US.

TRADE-IN PROGRAM

“If you have any vintage audios (receivers, speakers, cassette, reel to reel…) & want to upgrade with the serviced one, don’t hesitate to contact us for the best deal. You only need to pay for the difference between yours & mine….”

Note:

The actual color of the product may sometimes differ slightly from the photos due to lighting conditions, temperature, and the device used. Some angles in the photos may not fully reflect the product’s condition. Please read the description carefully and feel free to message us if you have any questions

SPECS

• Tuning range: FM, MW
• Power output: 35W/ch into 8Ω (quadraphonic)
• Frequency response: 15Hz to 30kHz
• Total harmonic distortion: 0.4%
• Damping factor: 10
• Input sensitivity: 2.5mV (MM), 100mV (DIN), 100mV (line)
• Signal to noise ratio: 70dB (MM), 80dB (line)
• Channel separation: 50dB (MM), 50dB (line)
• Output: 100mV (line), 30mV (DIN)
• Speaker load impedance: 8Ω (minimum)
• Dimensions: 21.26 x 6.34 x 15.87 inches
• Weight: 52.47 lbs 

KEY FEATURES

• True Quadraphonic Design: Supports 4-channel and standard 2-channel stereo operation
• Sansui High-Current Amplification: Smooth, powerful output with excellent control
• Independent Front & Rear Controls: Precise balance and tone adjustment for quad setups
• Analog FM/AM Tuner: Wide, easy-to-read dial with stable reception
• Multiple Inputs: Phono, AUX, Tape, and microphone support
• Dual Speaker Outputs: Flexible front/rear speaker configurations
• Classic Sansui Aesthetics: Glass dial, aluminum faceplate, and walnut wood cabinet

REFURBISHED

This Sansui QRX-7001 has undergone a professional servicing and restoration process focused on electrical stability, operational reliability, and preservation of its original sonic character.

1. Fully Serviced

• Exterior and interior cleaning performed with attention to original finishes
• Faceplate, knobs, and switches carefully cleaned; original markings preserved
• All rotary controls and switches deoxidized and lubricated for smooth, noise-free operation

2. Electronic Inspection & Restoration

• Power supply and amplifier sections inspected for proper operation
• Aging or out-of-spec components replaced where necessary
• Bias and DC offset checked and adjusted to safe operating ranges
• Heat-affected solder joints reflowed to ensure long-term reliability

3. Tuner & Display System

• FM/AM tuner tested for stable reception
• Dial illumination and indicator lights checked for correct brightness and uniformity
• Stereo and quad indicators verified for proper function

4. Meter & Control System

• Signal and tuning meters tested for accurate response
• Quadraphonic control logic and switching verified
• Speaker selection and headphone output tested for correct channel routing

5. Final Testing & Quality Control

• Extended burn-in testing performed under real listening conditions
• All inputs and outputs verified for clean, stable signal
• Channel balance, noise floor, dynamics, and thermal stability confirmed

Result

The Sansui QRX-7001 now delivers the rich, immersive Sansui sound it is known for, with stable operation and confident performance. While subtle signs of age may remain consistent with a vintage component, they do not affect functionality or reliability. This receiver is fully serviced, electrically sound, and ready to anchor a serious vintage stereo or quadraphonic system.

SUGGESTED PAIRINGS

Speakers: Sansui SP-series, JBL vintage monitors, Pioneer CS-series (matched quad sets recommended)
Turntables: Sansui SR-series, Technics SL-1200, Pioneer PL-series
Tape Decks: Sansui SC-series, TEAC A-series, Akai GX series
Listening Style: Classic rock, jazz, fusion, experimental, quadraphonic vinyl systems

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PACKAGING & SHIPPING

Secure Packaging:

• High-density foam inserts with 5-layer corrugated cartons
• Additional internal padding and wrap for transit protection

• Double-wall outer box with corner guards and straps

Shipping Details:

• Dispatch Time: Ships within 3 business days

• Carrier: UPS Ground (tracked & insured)

• Signature Required: Yes (as buyer’s request)

• Transit Time: Typically 3–7 business days (USA)

International Shipping:

 We offer global delivery through the eBay International Shipping Program. eBay handles customs, duties, and tracking.

📦 Note: Packaging may vary slightly depending on unit size or availability, but safety and protection are always our top priority.