FULLY SERVICED PIONEER SX-939 VINTAGE RECEIVER – 1-YEAR WRT– WARM, DETAILED SOUND

📌 Specifications

• CONDITION: Fully serviced – tested, cleaned, and calibrated professionally
• MODEL: SX-939
• BRAND: Pioneer
• TYPE: Stereo Receiver
• FREE SUPPORT: Must be used before requesting return
• Pro packaged, insured, and includes tracking
• No original box, no accessories
• SKU: 5QTTE0024

FULLY SERVICED PIONEER SX-939 VINTAGE RECEIVER

✨ Condition: Fully tested, cleaned, and professionally serviced

The Pioneer SX-939 is one of the most respected stereo receivers of the 1970s — blending musical warmth, classic Pioneer clarity, and rock-solid build quality into one of the most elegant chassis Pioneer ever made.

Delivering 70 watts per channel, it brings both effortless control and rich analog texture, whether you’re driving vintage JBLs or modern bookshelf speakers.

From the glowing analog meters to the deep walnut case, the SX-939 is an absolute pleasure to own — and even more satisfying to hear.

Detail specifications:

• Tuning range: FM, MW
• Power output: 70 watts per channel into 8Ω (stereo)
• Frequency response: 10Hz to 40kHz
• Total harmonic distortion: 0.3%
• Damping factor: 45
• Input sensitivity: 2mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)
• Signal to noise ratio: 65dB (mic), 70dB (MM), 95dB (line)
• Output: 150mV (line), 30mV (DIN), 1V (Pre out)
• Speaker load impedance: 4Ω (minimum)
• Semiconductors: 3 x FET, 4 x IC, 57 x transistors, 39 x diodes
• Dimensions: 520 x 175 x 420mm
• Weight: 18.5kg
• Accessories: FM T-type antenna

🛠️ Key Features:

• 70W RMS per channel – Drives most speakers with ease and grace
  
• True Analog Warmth – Pioneer’s classic musical voicing
  
• Dual Phono Inputs – Vinyl lovers welcome
  
• VU Meters + Illumination – Vintage style and accurate feedback
  
• Solid Build Quality – Premium Japanese design and components
  
• Walnut Veneer Cabinet – Visually stunning, timeless design
  

🌟 What Makes the SX-939 Special?

While later SX models pushed for bigger power, the SX-939 hit a rare sweet spot:
Powerful, but still subtle and emotional.

It has enough headroom to handle dynamic peaks, but doesn’t lose its grip at low volumes — where much of the music’s soul lives.

The midrange is honest and open, the treble is clear but never harsh, and the bass is full, rounded, and natural. It’s the kind of sound that lets you relax — and just listen.

🌟 Ideal Pairings – Speakers & Turntables

Speakers:

• JBL L26 / L100, Klipsch Heresy, Wharfedale W70, KLH Model 6 / 23, Pioneer CS-99A

Turntables:

• Technics SL-1200, Thorens TD-160, Dual 1229, Garrard 401

🎶 Order Now – Limited Availability! 🚀

✅ Professionally Restored & Tested – Ready for plug-and-play enjoyment
✅ Fast & Secure Shipping – Expertly packaged to ensure safe delivery
✅ 1-Year Warranty – Guaranteed performance and reliability

🎯 The Pioneer SX-939 – Understated Power, Timeless Character

The SX-939 isn’t about flashy specs — it’s about the experience.
From vinyl to FM, every input sounds alive, textured, and full of presence.

It’s for listeners who care about tone, realism, and soul, not just volume and noise.

Professionally restored and ready for a second life, the Pioneer SX-939 remains one of the most elegant and musical receivers ever made.

🎯 Smooth, clean, beautifully built — it’s vintage hi-fi done right.

Condition:

This receiver is in “Excellent” condition, displaying minor signs of use with a bright, clear dial. All knobs, feet, and the attached AM antenna and AC cord are present and intact. Although the manual is missing, it can be found online or we can provide a PDF upon request. Please inspect all photos thoroughly for the actual condition.

Service:

Upon inspection, the unit had scratchy controls, a dim dial, and some distortion in one channel. Therefore, it underwent servicing by our technician. Pioneer used certain transistors in this model that are known to fail after 40 years, so all of these were replaced. This upgrade resolved the distortion issue. Additionally, several questionable capacitors were replaced. 

Testing:

After servicing, the receiver was tested on our bench and performed excellently, delivering a powerful, warm, distortion-free signal characteristic of analog receivers. All inputs, outputs, and features were confirmed operational, and the tuner spins smoothly. Additional testing was conducted, and we can provide specific feature information upon request. This is a remarkable find for the vintage audiophile.

Condition Disclosure:

This item exhibits minor wear consistent with light use, as shown in the provided photos. The listing includes exactly what is pictured; no accessories, test equipment, or media are included.

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….”

Thank you for being a valued customer & Thanks for looking!