Pioneer SX-3700 Receiver

The Pioneer SX-3700 is a vintage stereo receiver that captures the essence of analog audio with its classic design and high-quality sound. Offering clear and crisp sound reproduction with an attractive brushed aluminum faceplate and walnut veneer side panels, the SX-3700 is a perfect piece for audiophiles and vintage audio enthusiasts alike. Known for its reliability, the SX-3700 delivers an engaging listening experience that brings out the best in analog audio sources.

• Model: Pioneer SX-3700
• Type: Stereo Receiver
• Protection Plan: 1-Year Warranty Included
• Free Support: Must be used before requesting return
• SKU: 15JKE4521

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: 45 watts per channel into 8Ω (stereo)
• Frequency response: 10Hz to 100kHz
• Total harmonic distortion: 0.02%
• Damping factor: 40
• Input sensitivity: 2.5mV (MM), 150mV (line)
• Signal to noise ratio: 79dB (MM), 95dB (line)
• Output: 150mV (line)
• Dimensions: 18.9 x 5.71 x 14.33 inches
• Weight: 25.57 lbs
• Year: 1980

KEY FEATURES

• Power Output: 35 watts per channel at 8Ω for clean, strong sound
• Design: Classic brushed aluminum faceplate paired with walnut veneer side panels for a vintage aesthetic
• Tone Controls: Bass, Treble, and Balance controls for personalized sound
• FM/AM Tuning: Quartz-locked tuning for precise and stable signal reception
• Speakers: Supports multiple speaker connections (Main and Remote)
• Volume & Mute: Easy-to-use volume control and mute function for smooth operation

REFURBISHED

This Pioneer SX-3700 has been serviced by experts to restore its original performance and maintain its classic appearance. All internal components have been inspected, serviced, and functionally tested to ensure optimal performance. Despite the complete restoration, some minor surface imperfections, such as light scratches, remain, typical of use. These do not affect the overall performance or functionality of the device.

General Service & Cleaning

• Faceplate, knobs, and switches carefully cleaned and polished
• All controls deoxidized and lubricated to ensure smooth, noise-free operation
• Original finish preserved to maintain the vintage look

Electronic Inspection & Restoration

• Power supply inspected, cleaned, and stabilized
• Aged components replaced with high-quality, reliable parts
• Bias and DC offset adjusted to factory settings for optimal performance
• Solder joints reflowed for enhanced longevity and reliability

Signal Path & Connectivity

• RCA inputs and speaker terminals cleaned and re-secured for optimal connectivity
• Phono stage tested for correct gain and low noise
• Headphone output verified for balanced stereo sound

Tuner & Meter System

• FM/AM tuner fully aligned for optimal signal reception
• Signal strength and tuning meters calibrated to original factory specifications
• Dial and meter illumination restored for consistent and bright lighting

Final Testing & Quality Control

• Extended burn-in and listening tests performed to ensure full functionality
• All inputs, outputs, and functions tested and confirmed to be operational
• Channel balance, dynamics, and thermal stability checked for reliability

RESULT

This Pioneer SX-3700 delivers exceptional audio performance, with restored clarity, stable operation, and smooth functionality. Despite some light scratches on the surface from previous use, the receiver works just like new. The restoration process has ensured that the unit is ready to offer years of reliable, vintage audio enjoyment with the unmistakable warmth of analog sound. Its classic aesthetic and flawless performance make it a perfect addition to any audio setup.

SUGGESTED PAIRINGS

• Speakers: JBL L100, KLH Model 17, Advent Large, Wharfedale Linton
• Turntables: Technics SL-1200, Thorens TD-160, Audio-Technica AT-LP120
• Other Components: Combine with a vintage tape deck like the Akai GX-625 or Pioneer RT-909 for the ultimate analog setup.

🎁 Unlock an instant $100 voucher with every combo purchase.

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.