VERY NICE PIONEER SX-850 VINTAGE RECEIVER – 1-YEAR WRT – BALANCED POWER & TONE

📌 Specifications

• CONDITION: Clean – Fully tested, cleaned, and professionally serviced
• MODEL: SX-850
• BRAND: Pioneer
• TYPE: Stereo Receiver
• FREE SUPPORT: Must be used before return is requested
• Pro packaged, insured, and includes tracking
• No box, no accessories
• SKU: 5QJKE4096

VERY NICE PIONEER SX-850 VINTAGE RECEIVER

✨ Condition: Fully tested, cleaned, and professionally serviced

The Pioneer SX-850 is where power meets precision — delivering 65 watts per channel with the smoothness, warmth, and authority that made Pioneer a legend in the late ‘70s.

Everything about this unit feels solid: the satisfying feel of the knobs, the glow of the analog meters, and most importantly — the sound. Whether you’re playing vinyl, FM, or digital sources, the SX-850 brings out a full, engaging soundstage that keeps you listening longer.

Finished with a real walnut veneer case and silver brushed faceplate, it looks as good as it sounds.

Detail specifications:

• Tuning range: FM, MW
• Power output: 65 watts per channel into 8Ω (stereo)
• Frequency response: 10Hz to 50kHz
• Total harmonic distortion: 0.1%
• Damping factor: 25
• Input sensitivity: 6.5mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)
• Signal to noise ratio: 70dB (MM), 90dB (line)
• Output: 150mV (line), 30mV (DIN), 1V (Pre out)
• Speaker load impedance: 4Ω (minimum)
• Semiconductors: 3 x FET, 3 x IC, 56 x transistors, 36 x diodes
• Dimensions: 526.6 x 173 x 411.5mm
• Weight: 19.1kg
• Accessories: FM T-type antenna
• Year: 1976

 

🛠️ Key Features:

• 65W RMS per channel – Solid power for most setups
  
• Warm Pioneer Tuning – Natural mids, rich lows, crisp highs
  
• Dual Phono Inputs – Ideal for multiple turntables
  
• Real Analog Meters – Functional and beautiful
  
• Wood & Metal Construction – No plastic, no shortcuts
  
• 3 Speaker Pairs Supported – A/B/C switching for whole-room control 

🌟 Why the SX-850 Became a Sleeper Favorite?

Ask around and you’ll hear the same story:
the SX-850 isn’t just another mid-range receiver — it’s one of the best-balanced amps Pioneer ever built.

It has just enough power to command large speakers,
but doesn’t lose its musicality at lower listening levels like some of its higher-wattage siblings.

What makes it special is its versatility — it’s at home in a minimalist vinyl setup or driving a full-blown vintage system.
It plays clean, looks sharp, and doesn’t try too hard.

Just enough muscle. Just enough magic.

🌟 Ideal Pairings – Speakers & Turntables

Speakers:

• JBL L26 / L36, Klipsch Heresy, AR-2ax, Pioneer CS-88, Wharfedale W70 

Turntables:

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

📦 Shipping:

• Professionally packed with premium foam 
• Fully insured and tracked 
• No original box, but shipped securely with care
  

🎯 Balanced. Honest. Built to Be Played.

The Pioneer SX-850 isn’t about showing off — it’s about showing up.
Solid build. Beautiful sound. Legendary feel.

It’s the kind of receiver you buy once… and keep.
Because it simply delivers — day after day, record after record.

Professionally serviced and ready to go, the SX-850 remains one of the most trusted vintage receivers out there.
It’s not the flashiest — but it might be the one you’ll actually love using the most.

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!