Outstanding Sansui QRX-9001 Quad Receiver – Fully Recapped & Serviced –1Year WRT
- CONDITION: Excellent – Serviced, tested, and cleaned
- MODEL: Sansui QRX-9001
- TYPE: 4-Channel Quadraphonic / 2-Channel Stereo Receiver
- PROTECTION PLAN: 1-Year Warranty Included
- FREE SUPPORT: Must be used before requesting return
- SKU: 15QTTVE0005
Outstanding Sansui QRX-9001 Quad Receiver
ABOUT
The Sansui QRX-9001 stands at the top of Sansui’s quadraphonic lineup, combining massive power delivery with one of the most advanced decoding architectures ever engineered in the 1970s. Known for its Vario-Matrix decoding, outstanding channel separation, and wide dynamic range, the QRX-9001 remains a reference-grade receiver for collectors and serious vintage audio enthusiasts.
This unit has been completely overhauled at HQaudios with an extensive electronics restoration, cosmetic detailing, and a newly handcrafted wood cabinet. It performs exactly as intended when new—smooth, powerful, and harmonically rich.
- CONDITION: Excellent – Serviced, tested, and cleaned
- MODEL: Sansui QRX-9001
- TYPE: 4-Channel Quadraphonic / 2-Channel Stereo Receiver
- PROTECTION PLAN: 1-Year Warranty Included
- FREE SUPPORT: Must be used before requesting return
- SKU: 15QTTVE0005
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: 120W/ch (stereo), 60W/ch into 8Ω (quadraphonic)
- Frequency response: 20Hz to 30kHz
- Total harmonic distortion: 0.3%
- Damping factor: 30
- Input sensitivity: 2.5mV (MM), 100mV (DIN), 100mV (line)
- Signal to noise ratio: 70dB (MM), 80dB (DIN), 80dB (line)
- Channel separation: 45dB (MM), 45dB (line)
- Output: 100mV (line), 30mV (DIN)
- Speaker load impedance: 4Ω to 8Ω
- Dimensions: 23.62 x 6.85 x 16.34 inch
- Weight: 50.70 lbs
KEY FEATURES
- Flagship quadraphonic Vario-Matrix decoder
- Smooth analog tuning with wide-band sensitivity
- High-current output stage for authoritative low-end
- Large illuminated meters with excellent visibility
- Newly crafted real-wood case included
REFURBISHED
This QRX-9001 received a comprehensive, deep-level restoration. Every known age-related issue on this model has been addressed:
Electronic Restoration
Full recap across preamp, equalizer, driver, tone, tuner, phono, and decoder boards
Power supply rebuilt with fresh electrolytics, rectifier check, and new bias/offset trimmers
Driver boards removed, rebuilt, and recalibrated to factory spec
Replacement of aged transistors in common failure locations
All noisy 2SC/2SA transistors inspected and replaced where necessary
Reflowing solder joints in heat-stressed areas
Quadraphonic & Decoder Alignment
CD-4 demodulator completely serviced with fresh capacitors
Carrier level, separation, and sensitivity adjusted using proper 30kHz test signals
QS/SQ decoder alignment performed for clean quad transitions
Vario-Matrix section balanced and recalibrated
Tuner Section
Complete RF/IF alignment using calibrated generator and oscilloscope
AM/FM sensitivity optimized; stereo lock threshold adjusted
Dial pointer realigned and tuning mechanism lubricated
Controls & Mechanical
All switches, sliders, rotary controls fully cleaned and treated
All signal paths cleared for noise-free operation
Dial cord checked and lubricated
Speaker terminals cleaned and polished
Lighting & Cosmetics
Full LED upgrade for dial, meters, indicators (cool, even illumination)
Faceplate cleaned, brushed, and polished
Knobs ultrasonically cleaned and hand-polished
Internal chassis dusted and detailed
Newly fabricated walnut cabinet installed (hand-finished, smooth satin tone)
The unit now performs with stability, low noise, accurate decoding, and strong power delivery—matching or exceeding factory expectations.
SUGGESTED PAIRINGS
- JBL 4312BMK II Speakers – Punchy, accurate studio monitors
- Bose 901 Series VI Speakers (with EQ) – Expansive quad sound
- Klipsch Cornwall Speakers – Vintage floorstanders with huge dynamics
- Yamaha NS-1000 Speakers – Iconic clarity and accuracy
🎁 Unlock an instant $100 voucher with every combo purchase.
PACKAGING & SHIPPING:
Secure Packaging:
Each unit is carefully packed using:
Nylon wrap and sealed inner carton
Custom EPE foam corners to protect edges
Double-wall outer box for shock resistance
Plastic straps + handling labels to ensure safe transit
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 model, but safety and protection are always our top priority.
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Thank you for viewing our listing! Please kindly ensure you read all the provided information carefully!
We strive to describe all items honestly and accurately. However, as human beings, we may occasionally make mistakes. If you have any doubts or encounter conflicting information, please inquire before purchasing or making an offer
We kindly request that all buyers give us the opportunity to address any issues.
Payment Policy:
All buyers are required to make immediate payment or contact us within 24 hours to arrange payment, with payment received within 3 days. Offers submitted under the Best Offer feature are considered binding agreements and require immediate payment upon acceptance. Failure to adhere to these terms may result in substitution or cancellation of the transaction.
Payments must be accompanied by a valid shipping address listed as Confirmed. Payments with invalid shipping addresses will be refunded and may incur a processing fee deducted from the refund amount.
Shipping Policy:
This is for local pickup or we will ship it very carefully so that it arrives in good shape like it is now. Our customers’ satisfaction means everything to us. Once you get this item, feel free to contact us if it has any problems! I will try to answer any questions that you may have in a timely fashion.
All shipments are processed within 03 business days of payment, whenever possible. In the event of stock issues causing a delay, customers will be promptly notified, and alternative shipment arrangements will be made. Customers are responsible for any charges incurred due to failed delivery attempts or re-delivery.
Return Policy:
Our Free Support service must be utilized before requesting any return, for any reason.
Items may be exchanged within 30 days if defective or not as described, with a full refund of the purchase price if an exchange is unavailable.
If due to seller error, we will issue a prepaid return label or arrange for reimbursement of return shipping expenses as per this policy, not exceeding the original shipping cost.
The address for returning shipment: 10851 Capital Ave, Garden Grove CA 92843
Returned items may require inspection before determining fault. The item must be received in its original, unaltered condition with all original packaging. Electronic items cannot be opened or tampered with; sealed items must remain sealed, and “Mint” items must remain in “Mint” condition.
No returns will be accepted without first contacting us for Free Support, troubleshooting, or evaluation.
Warranty policy:
The warranty covers technical parts for up to 12 months from the date of receipt, provided there is valid evidence and the item remains sealed, unaltered, and has not been disassembled or internally inspected/repaired. Please note that shipping costs for warranty service will be the seller’s responsibility if the item is found to be defective.
⚠ Important Notice:
To ensure a smooth warranty process, we kindly request that you record a video while unboxing your package upon delivery. Any claims related to product damage or warranty service must be supported by clear video and photographic evidence. Please submit all required documentation to the official HQaudios email for prompt assistance.
***Failure to provide sufficient information as per our guidelines may result in the rejection of your request.
If you have any issues or dissatisfaction with our services, products, or policies, please refrain from leaving negative feedback immediately. Instead, contact us right away so we can provide you with the best possible solution and have the opportunity to improve our service quality!
Thank you for being a valued customer & Thanks for looking!















































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