Excellent Pioneer SA7100 Amplifier – Fully Serviced Restored, Recapped – 1Yr WRT

• CONDITION: Excellent – Serviced, tested, and cleaned
• MODEL: Pioneer SA-7100
• TYPE: Solid-State Integrated Stereo Amplifier
• PROTECTION PLAN: 1-Year Warranty Included
• FREE SUPPORT: Must be used before requesting return
• SKU: 1HILC1507

Excellent Pioneer SA7100 Amplifier

ABOUT:

Pioneer SA-7100 amplifier is a beautifully built, mid-1970s integrated amplifier that captures the warmth and musicality of the golden era of hi-fi. With its clean DC design, solid aluminum faceplate, and durable controls, the SA-7100 delivers pure, distortion-free sound that’s both powerful and refined.

Rated at 35 watts per channel into 8Ω, it offers tight, punchy bass and smooth, natural mids, perfect for vintage JBL, Wharfedale, or Klipsch speakers.

• CONDITION: Excellent – Serviced, tested, and cleaned
• MODEL: Pioneer SA-7100
• TYPE: Solid-State Integrated Stereo Amplifier
• PROTECTION PLAN: 1-Year Warranty Included
• FREE SUPPORT: Must be used before requesting return
• SKU: 1HILC1507

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.

SPECIFICATIONS:

• Power output: 20 watts per channel into 8Ω (stereo)
• Frequency response: 7Hz to 80kHz
• Total harmonic distortion: 0.5%
• Damping factor: 40
• Input sensitivity: 2mV (mic), 2.5mV (MM), 150mV (line)
• Signal to noise ratio: 90dB (line)
• Dimensions: 16.9 inch×5.4 inch×13.4 inch
• Weight: 22.3 lbs
• Year: 1974

KEY FEATURES:

• Classic Pioneer Sound: Smooth, balanced tone with excellent midrange clarity.
• Solid Aluminum Faceplate: Brushed silver design with tactile vintage controls.
• Phono Input: High-quality stage for vinyl playback with natural warmth.
• Dual Speaker Outputs (A/B): Connect and switch between two pairs of speakers.
• Built to Last: Durable internal layout with high-quality Japanese components.

REFURBISHED:

This Pioneer SA-7100 has been professionally refurbished and fully restored to original factory specifications by experienced technicians. Both internal and external components were serviced to ensure long-term reliability and audiophile-grade sound performance.

This Pioneer SA-7100 has been professionally refurbished and fully restored to original factory specifications by experienced technicians. Both internal and external components were serviced to ensure long-term reliability and audiophile-grade sound performance.

Complete recap service: All electrolytic capacitors have been replaced with new audio-grade capacitors, restoring dynamics, warmth, and channel balance.

Transistor & protection circuit:

Key transistors (including noisy 2SC1312/2SA725 types) replaced with modern low-noise equivalents.

Protection relay cleaned and tested to ensure zero DC leakage and silent switching.

Power supply restoration: All power supply capacitors upgraded for improved ripple suppression and thermal stability.

Signal path calibration: Left/right gain and DC offset measured and precisely adjusted to factory spec (±5 mV DC offset, <0.05% THD at rated output).

Potentiometers & switches serviced: All pots and selectors cleaned, lubricated, and verified under oscilloscope for perfect signal flow and channel tracking.

Lighting system: Front indicator lamps replaced with new warm-white LEDs — maintaining original tone with modern reliability.

Faceplate & knobs restoration: Aluminum faceplate deep cleaned, brushed, and re-anodized finish restored. All knobs polished and aligned to original factory position.

Cabinet refinished: Real-wood veneer cabinet sanded and re-oiled in natural walnut satin finish, sealed for long-term protection.

Final testing: Verified on oscilloscope (as shown) for wave stability, output symmetry, and distortion-free response across all inputs and modes.

Continuous 2-hour operation test passed at nominal load with stable temperature and soundstage integrity.

Result: A collector-grade Pioneer SA-7100, restored for both beauty and performance — clean tone, tight bass, smooth mids, and warm analog depth

Result:

Pioneer SA-7100 amplifier now delivers clear, warm, and dynamic audio true to its original Pioneer character, with crisp highs, open mids, and solid, controlled bass. Fully reliable and ready to power your vintage system for years to come.

✅ Backed by 1-Year Warranty (repair or replacement)

Suggested Pairings:

• JBL 4311B Studio Monitors – Classic combo with lively, powerful sound
• Wharfedale W90 Speakers – Smooth British tone meets Pioneer precision
• JBL L100T3 Speakers – Excellent detail and energy for modern vinyl
• Klipsch Heresy II speakers – High efficiency and dynamic synergy
• Kenwood KT-7300 Tuner – Perfect aesthetic and functional pairing

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

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!