Great Sansui 9090DB Vintage Receiver – Fully Tested & Recapped – 1-Year Warranty

• Tuning range: FM, MW
• Power output: 125 watts per channel into 8Ω (stereo)
• Frequency response: 10Hz to 30kHz
• Total harmonic distortion: 0.1%
• Damping factor: 30
• Input sensitivity: 4mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)
• Signal to noise ratio: 70dB (MM), 80dB (DIN), 80dB (line)
• Channel separation: 50dB (MM), 50dB (line)
• Output: 150mV (line), 30mV (DIN), 0.775V (Pre out)
• Dimensions: 21.3″ × 7.2″ × 15.6″
• Weight: 52.0 lbs
• Year: 1976
• SKU: 15QALE3621

Great Sansui 9090DB Vintage Receiver

ABOUT

The Sansui 9090DB represents the pinnacle of Sansui’s 1970s engineering — a flagship receiver that blends immense power with refined musical detail.

Delivering 125 watts per channel, it features the signature Sansui warmth and dynamic soundstage, complemented by the Dolby FM/NR system for lower noise and cleaner reproduction.

Its bold brushed-aluminum faceplate, precision analog meters, and rich walnut cabinet define the era’s finest design.

Fully serviced, recapped, and Dolby section aligned, this 9090DB performs exactly as intended — powerful, quiet, and stunningly musical.

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: 125 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 30kHz

Total harmonic distortion: 0.1%

Damping factor: 30

Input sensitivity: 4mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)

Signal to noise ratio: 70dB (MM), 80dB (DIN), 80dB (line)

Channel separation: 50dB (MM), 50dB (line)

Output: 150mV (line), 30mV (DIN), 0.775V (Pre out)

Dimensions: 21.3″ × 7.2″ × 15.6″

Weight: 52.0 lbs

Year: 1976

KEY FEATURES

125 watts per channel @ 8 Ω — flagship Sansui power and authority

Dolby FM/Noise Reduction circuit for reduced tape and broadcast hiss

Fully recapped, cleaned, and bias-aligned for long-term reliability

Tuner section aligned for optimal FM sensitivity and channel separation

Brushed aluminum faceplate detailed to near-mint finish, with original knobs

Lighting updated according to model compatibility 

Tested over 3 hours of continuous playback – zero hum, distortion, or imbalance

REFURBISHED

This Sansui 9090DB Receiver has been professionally restored, recapped, and fully calibrated by HQaudios’ restoration team.
Every electronic and mechanical system has been serviced to deliver its original legendary Sansui warmth, power, and precision.

1. Electronic Restoration

• Full recap of all major boards — power supply, driver, preamp, tone, Dolby, and tuner — using high quality capacitors for maximum clarity and reliability.
• Main filter capacitors replaced with high-grade audio types for stronger bass control and transient response.
• Bias and DC offset precisely adjusted to factory specifications using calibrated instruments.
• Protection relay rebuilt and reflowed for clean, noise-free switching.
• All transistors and fusible resistors tested, replaced as necessary with matched equivalents.
• Dolby board (F-2547) fully serviced, all feedthrough connections re-soldered — a critical upgrade for long-term reliability.
• FM/AM tuner and Dolby circuits aligned using signal generator and oscilloscope for optimal separation and low distortion.

2. Controls & Operation

• All switches, selectors, and potentiometers cleaned and lubricated with DeoxIT D5 + FaderLube for smooth operation.
• Dial and meter lamps replaced with LED or incandescent bulbs depending on circuit compatibility, preserving the original Sansui blue glow.
• Tuning dial string cleaned, lubricated, and tension-calibrated for precision feel.

3. Cosmetic Refinement

• Front aluminum faceplate detailed by hand to restore its original satin silver finish.
• Glass dial cleaned inside and out; scale lettering preserved in 100% original condition.
• Knobs ultrasonically cleaned and polished to collector-grade sheen.
• Rear panel cleaned, RCA jacks and speaker terminals treated for perfect contact.
• Original walnut veneer cabinet restored, re-oiled, and sealed in satin finish for deep, rich grain tone.

4. Final QC & Bench Test

• Receiver test-run continuously for 3 hours under 8 Ω load to ensure full thermal stability.

Result:
The Sansui 9090DB now performs exactly as it did when new — with deep, clean bass, rich mids, and crystal highs.
With its restored walnut wood cabinet and striking blue glow, it stands as one of the most iconic vintage receivers ever built.

⚠️ Note: Listing includes receiver with walnut wood case and antennas.

SUGGESTED PAIRINGS

Ideal pairings include JBL L100, Klipsch Heresy I, or Sansui SP-5500 speakers — each brings out the 9090DB’s commanding presence and warmth.

Combine with a Sansui SR-717 turntable or SC-3110 cassette deck for a full vintage Sansui stack.

💡 Buy as a combo and save $100 — message us for details!

PACKAGING & SHIPPING

Secure Packaging:

• Factory foam inserts and original cartons (if available)

• 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.

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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!