Sherwood AM9080 Power Amplifier – Fully Serviced & Restored – 1-Year Warranty

The Sherwood AM9080 is a powerful and reliable amplifier that delivers high-fidelity sound reproduction, making it a cherished piece in any audio enthusiast's setup. Known for its clean design and impressive output, the AM9080 excels in delivering dynamic and full-range audio, making it a perfect fit for both casual listeners and audiophiles.

This unit has been professionally serviced and restored by HQaudios to ensure it performs at its highest potential. It has undergone extensive repairs and tuning, guaranteeing not only restored functionality but also preserving the superb sound quality that Sherwood is known for. Whether you're powering speakers for daily listening or for serious audio sessions, this amplifier brings the best out of any system.

  • Condition: Excellent – Serviced, tested, and cleaned
  • Model: Sherwood AM9080
  • Type: Power Amplifier
  • Protection Plan: 1-Year Warranty Included
  • Free Support: Must be used before requesting return
  • Packaging: Securely packed, insured, and tracked
  • SKU: 151THL0097

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: 120 watts per channel into 8Ω (5 channels)
  • Frequency response: 20Hz to 20kHz
  • Total harmonic distortion: 0.03%
  • Damping factor: 125
  • Input sensitivity: 1V
  • Signal to noise ratio: 115dB
  • Speaker load impedance: 4Ω (minimum)
  • Dimensions: 17.32 x 7.09 x 17.72 inches
  • Weight: 70.55 lbs

KEY FEATURES

  • Powerful Output: Capable of delivering clean and dynamic audio performance with robust power handling.
  • Dual Meters: VU meters for real-time monitoring of output levels and performance.
  • Low Distortion: Designed for low distortion and high output, offering superior sound clarity.
  • Sophisticated Circuitry: Precision-engineered for reliable and consistent performance.
  • Solid Construction: High-quality components and durable build for long-lasting use.
  • Multiple Input Options: Suitable for various audio equipment with optimal connectivity.

REFURBISHED

This Sherwood AM9080 has undergone a comprehensive professional refurbishment to restore its functionality, sound quality, and long-term reliability. The following steps were taken to bring the unit back to its optimal performance:

1. Fully Serviced

  • The faceplate was carefully cleaned and polished to restore its original brushed metal finish.
  • Knobs, switches, and pushbuttons were cleaned using DeoxIT and lubricated for smooth, noise-free operation.
  • The volume, balance, and tone controls were verified for accurate operation and fine-tuned for optimal adjustment.

2. Electronic Inspection & Restoration

  • The power supply was thoroughly inspected and stabilized to ensure consistent and reliable voltage.
  • Aged or out-of-spec components were replaced with new old stock (NOS) parts, including capacitors, transistors, and resistors.
  • The bias and DC offset were recalibrated to factory settings, ensuring proper functionality and longevity.
  • Heat-stressed solder joints were reflowed for added stability and durability.

3. Control System & Fixes

  • The unit was initially experiencing control issues. The code lock issue was addressed, and the control system was successfully restored to full functionality, running on the same program used in Lexicon units.
  • Five power amplifier boards were serviced—cold solder joints were repaired, and bias and DC offset were recalibrated to factory specifications. This ensures improved longevity, stable performance, and superior sound quality.
  • The unit now delivers sound that is comparable to Lexicon systems, with exceptionally clear and dynamic audio output.

4. Signal Path & Connectivity

  • The RCA input jacks were cleaned and re-tensioned for optimal signal transfer, ensuring the best possible performance.
  • Speaker terminals were cleaned and secured to guarantee a reliable, strong connection.

5. Final Testing & Quality Control

  • Extended operation tests were conducted to assess the unit’s thermal stability, channel balance, and overall sound performance.
  • All inputs and outputs were verified for stable, noise-free operation, delivering high-quality audio across all connections.
  • Listening tests confirmed that the Sherwood AM9080 provides clear, dynamic sound with excellent power output and channel balance.

RESULT

The Sherwood AM9080 now performs like a brand-new unit—offering clean power, excellent control, and reliable functionality. With the control issues resolved, and power amplifier boards calibrated for maximum lifespan, this unit is capable of delivering superior sound quality, comparable to Lexicon systems. While minor signs of age remain, its restored functionality and elegant design ensure that it remains an excellent choice for both collectors and everyday listeners.

SUGGESTED PAIRINGS

Speakers: JBL L100, Klipsch Forte, Pioneer HPM-100
Preamp: Lexicon DC-1, Yamaha C-4, Pioneer SPEC series
Turntables: Technics SL-1200, Thorens TD-160, Rega Planar 3
Audio Systems: Ideal for high-end audio setups where clean, reliable power and dynamic sound reproduction are crucial.

 Unlock an instant $100 voucher with every combo purchase.

PACKAGING & SHIPPINGSecure 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.

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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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Listed4 months ago
ConditionExcellent (Used)
Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more
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  • AM9080
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HQaudios

Garden Grove, CA, United States
Joined Reverb:2023

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