Superb Pioneer SX-550 Stereo Receiver – Restored Classic – 1-Year Warranty

• CONDITION:Excellent – Serviced, tested, and cleaned
• MODEL: Pioneer SX-550
• TYPE: 2-Channel Stereo Receiver
• PROTECTION PLAN: 1-Year Warranty Included
• FREE SUPPORT: Must be used before requesting return
• SKU: 15QVE0016

Superb Pioneer SX-550 Stereo Receiver

Condition: Fully tested, serviced– Excellent sound

ABOUT:

Pioneer SX-550 receiver is a compact yet elegant receiver from the late 1970s, rated at 20 watts per channel. Part of Pioneer’s famous SX line, it offers warm sound, classic styling, and reliable performance in a more space-friendly package. With its brushed aluminum faceplate, blue dial lighting, and wooden cabinet, the SX-550 delivers the same

• CONDITION:Excellent – Serviced, tested, and cleaned
• MODEL: Pioneer SX-550
• TYPE: 2-Channel Stereo Receiver
• PROTECTION PLAN: 1-Year Warranty Included
• FREE SUPPORT: Must be used before requesting return
• SKU: 15QVE0016

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:

• Tuning range: FM, MW
• Power output: 20 watts per channel into 8Ω (stereo)
• Frequency response: 10Hz to 60kHz
• Total harmonic distortion: 0.3%
• Damping factor: 25
• Input sensitivity: 7.5mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)
• Signal to noise ratio: 70dB (MM), 90dB (line)
• Output: 150mV (line), 30mV (DIN)
• Speaker load impedance: 4Ω (minimum)
• Semiconductors: 3 x FET, 5 x IC, 28 x transistors, 21 x diodes
• Dimensions: 17.64x 5.55 x 12.08 inch
• Weight: 20.72 lbs
• Year: 1976

KEY FEATURES:

• Compact Power – 20WPC, perfect for small to medium rooms
• Classic Pioneer Sound – Warm, musical character with vintage charm
• Signature Blue Dial Lighting – Iconic Pioneer visual appeal
• Versatile Inputs – Phono, aux, and tape monitor connections
• Speaker Switching – Drive two sets of speakers (A/B)

REFURBISHED:

This Pioneer SX-550 has been carefully refurbished to ensure both performance reliability and visual appeal:

• Electrolytic Capacitor Renewal: Critical capacitors in the power supply and audio circuits were replaced with high-grade modern equivalents to stabilize voltage and restore clarity.
• Power Supply & Transistors: Checked and serviced for consistent output and low noise. Faulty or aging components were replaced as needed.
• Switches & Potentiometers: All knobs, controls, and selector switches were deep-cleaned and lubricated, ensuring smooth operation with no crackle or dropouts.
• Lighting System: The original dial and meter illumination was restored by replacing all bulbs with fresh, high-quality units for even brightness and reliable longevity.
• Tuner Section: FM/AM tuner was aligned using professional signal generators for optimal sensitivity, channel separation, and tuning accuracy.
• Cosmetic Restoration:
  • Wood Case: The walnut veneer cabinet was fully restored, with refinished surfaces and protective coating to bring back its rich luster while preserving its vintage character.
  • Faceplate & Knobs: Brushed aluminum faceplate and control knobs were cleaned and detailed for a bright, original look.
• Functional Bench Testing: The unit was thoroughly tested for hours, ensuring stable operation, proper channel balance, and clean audio output across all inputs.

Result: A beautifully restored Pioneer SX-550 that maintains its vintage charm while performing reliably, ready to deliver warm and classic Pioneer sound for many more years.

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

SUGGESTED PAIRINGS

• Klipsch Heresy II Speakers– High efficiency for dynamic performance
• JBL 4311 Monitors Speakers– Punchy, accurate sound in smaller setups
• Thorens TD-160 Turntable – Ideal vintage vinyl partner
• Bose 301/401 Speakers – Compact, room-friendly pairing

👉 Perfect for vinyl lovers, collectors, and audiophiles seeking a smaller Pioneer classic with full restoration.

🎁 Buy a combo and unlock a $100 voucher right now!

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!