Kenwood KR-9940 Quad Receiver – Vintage 4-Channel Powerhouse – 1-Year Warranty

• CONDITION: Excellent – Fully tested, serviced, and detailed
• MODEL: Kenwood KR-9940
• TYPE: 4-Channel Quadraphonic Stereo Receiver
• PROTECTION PLAN: 1-Year Warranty Included
• FREE SUPPORT: Must be used before requesting return
• No original box
• SKU: 15QTTE0363

Kenwood KR-9940 Quad Receiver

Condition: Fully serviced, tested, and performing flawlessly

ABOUT:

Kenwood KR-9940 receiver is a legendary quadraphonic DC receiver from the golden age of hi-fi (mid-1970s), offering both 4-channel and 2-channel operation with exceptional clarity and power. With its massive build, glowing analog tuner, dual VU meters, and brushed aluminum faceplate framed in real wood, the KR-9940 is both a sonic and visual statement piece.

• CONDITION: Excellent – Fully tested, serviced, and detailed
• MODEL: Kenwood KR-9940
• TYPE: 4-Channel Quadraphonic Stereo Receiver
• PROTECTION PLAN: 1-Year Warranty Included
• FREE SUPPORT: Must be used before requesting return
• No original box
• SKU: 15QTTE0363

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

SPECIFICATION:

• Tuning range: FM, MW
• Power output: 50W/ch into 8Ω (quadraphonic)
• Frequency response: 20Hz to 20kHz
• Total harmonic distortion: 0.5%
• Damping factor: 30
• Input sensitivity: 2.5mV (mic), 2mV (MM), 200mV (DIN), 200mV (line)
• Signal to noise ratio: 70dB (mic), 70dB (MM), 80dB (DIN), 80dB (line)
• Output: 200mV (line), 40mV (DIN)
• Speaker load impedance: 4Ω to 16Ω
• Dimensions: 21.0″ × 6.4″ × 14.2″
• Weight: 46.3 lbs
• Year: 1972

Outstanding Features:

• Quadraphonic Design – Runs in 4-channel mode for immersive surround sound or powerful 2-channel stereo.
• DC Circuitry – Delivers clean, distortion-free amplification.
• Classic Analog Display – Warm backlit dial with tuning and level meters.
• Vintage Build Quality – Real wood panels, brushed aluminum faceplate, and heavy-duty switches.
• Flexible Inputs – Phono stage for vinyl, plus Aux and Tape for other sources.
• Speaker Control – Drive multiple speaker sets with ease.

Suggested Pairings: (Highly recommend)

• Klipsch Heresy II / Cornwall / Chorus II Speakers JBL 4311 / 4312 Monitors Speakers
• Bose 901 Series VI (with EQ) Speakers
• Jamo Concert 11 Speakers

🎁 GET A $100 VOUCHER INSTANTLY WHEN YOU BUY A COMBO!

REFURBISHED:

This Kenwood KR-9940 receiver has undergone a full professional refurbishment process, ensuring outstanding performance and long-term durability:

• Recapped Entire Unit: All electrolytic capacitors were replaced with high-quality audio-grade capacitors to restore stability, frequency response, and longevity.
• New Lamps Installed: All dial, meter, and indicator lamps were replaced with brand new LED and incandescent bulbs depending on location, carefully matched to the original visual tone and brightness.
• Power Supply & Protection Circuit Check: We tested and serviced the dual-voltage power supply and protection circuits, including thorough diode and relay inspection.
  Preamp & Tuner Calibration: The preamp and FM/AM tuner sections were calibrated for clean signal gain, sharp stereo separation, and minimal distortion using certified test instruments.
• Signal Path Cleaning: All controls (balance, mode selectors, EQ knobs, source selectors) were cleaned with DeoxIT and fully tested to eliminate crackle and improve user response.
• Relay Serviced or Replaced: Power relay inspected and replaced if showing signs of oxidation or failure.
• Input/Output Terminals Cleaned: All RCA inputs, speaker terminals, and quadraphonic outputs were cleaned and tightened to ensure solid connections.
  Custom Walnut Veneer Wood Cabinet: The side panels were refinished with natural walnut veneer, clear-coated for durability while preserving vintage aesthetics.
• Tested with Oscilloscope & Signal Generator: Audio output was measured on all four channels to ensure clean, even performance across the frequency range. Both stereo and quadraphonic modes were verified.
• 2+ Hour Playback Burn-In: Unit passed an extended listening test with quadraphonic and stereo content. Confirmed stable thermal operation and no dropouts.
• Voltage Selector Verified: 110–240V selector confirmed working and secure for global operation.

🛠️ Backed by our 1-Year Warranty – confidence in every detail.

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!