Sansui AU-α707DR Integrated Amplifier – Fully Restored, Serviced– 1Yr WRT
- CONDITION: Excellent – Serviced, tested, and cleaned
- MODEL: Sansui AU-α707DR
- TYPE: 2-Channel Integrated Amplifier
- PROTECTION PLAN: 1-Year Warranty Included
- FREE SUPPORT: Must be used before requesting return
- SKU: 12QE0057
Sansui AU-α707DR Integrated Amplifier
Condition: Fully tested, restored, recapped, serviced– Excellent sound
ABOUT:
Sansui AU-α707DR amplifier is a high-end integrated amplifier from the late 1980s, showcasing Sansui’s transition into their “Alpha” line of reference amplifiers. Rated at 160 watts per channel into 8Ω, it combines dynamic power, low distortion, and wide frequency response with the elegant precision Sansui was famous for.
AU-α707DR offers a level of refinement and control that appeals to serious audiophiles and collectors of rare Japanese hi-fi gear.
- CONDITION: Excellent – Serviced, tested, and cleaned
- MODEL: Sansui AU-α707DR
- TYPE: 2-Channel Integrated Amplifier
- PROTECTION PLAN: 1-Year Warranty Included
- FREE SUPPORT: Must be used before requesting return
- SKU: 12QE0057
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:
- Power output: 90 watts per channel into 8Ω (stereo)
- Frequency response: 1Hz to 200kHz
- Total harmonic distortion: 0.003%
- Damping factor: 150
- Input sensitivity: 0.16mV (MC), 2.5mV (MM), 150mV (line)
- Signal to noise ratio: 70dB (MC), 88dB (MM), 110dB (line)
- Output: 150mV (line)
- Speaker load impedance: 4Ω to 16Ω
- Dimensions: 18.11 x 6.26 x17.56inch
- Weight: 39.68lbs
- Year: 1990
KEY FEATURES:
- Dual-Mono Construction – Independent left/right channels for channel separation
- Alpha Circuit Design – Sansui’s flagship late-era amplifier technology
- Wide Frequency Response – Reaches down to 5Hz and up to 100kHz
- Precision Controls – High-quality inputs and smooth operation
- Heavy Build Quality – Oversized transformers and premium component layout
- Collector’s Item – Rare and highly regarded Alpha series Sansui amplifier
REFURBISHED
This Sansui AU-α707DR has been carefully refurbished with a full focus on restoring both performance and longevity.
- Complete Recap: All electrolytic capacitors were replaced with high-quality audio-grade components, ensuring stable power delivery and improved tonal clarity.
- Switches & Controls: Every selector, knob, and switch was thoroughly cleaned and serviced to eliminate noise, static, and poor contact.
- Bias & DC Offset Calibration: Precisely adjusted to factory specifications using professional measurement equipment, guaranteeing accurate performance and balanced channel output.
- Protector Circuit & Relays: Fully tested and serviced to ensure safe operation under load.
- Internal Cleaning: Entire chassis, heat sinks, and boards carefully dusted and cleaned for optimal airflow and cooling.
Cosmetic Work: Side panels in rosewood finish were polished and detailed, restoring their elegant luster.
Final Testing: Extended playback test with reference speakers performed for several hours to confirm stability, clean signal path, and full dynamic range.
Result: A Sansui AU-α707DR that not only looks pristine but also delivers its original sonic character—rich, powerful, and highly detailed—for years to come.
✅ Backed by 1-Year Warranty (repair or replacement)
SUGGESTED PAIRINGS:
- JBL 4343 Studio Monitors – Vintage studio accuracy with modern drive
- TEAC X-1000R Reel-to-Reel – Analog tape with high-current Sansui drive
Act now: Buy a combo and receive a $100 voucher on the spot.
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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