Sherwood AM9080 Power Amplifier

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.

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PACKAGING & SHIPPING

Secure 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.