Pioneer SX-850 vintage stereo receiver with wood case — serviced, cleaned, LED-lit, fully tested, and ready for a serious vintage hi-fi setup.

A YouTube demo video of this exact Pioneer SX-850 has been added to the listing for buyer confidence. Please review all photos and the video carefully, as they are part of the description, and feel free to ask any questions before purchasing.

Overview

The Pioneer SX-850 is one of the most desirable mid-powered receivers from the golden era of 1970s hi-fi. Rated at 65 watts per channel, it hits the sweet spot in the SX lineup: enough power to drive a wide range of speakers confidently, with the warm, punchy, musical character that keeps these classic Pioneer receivers in demand.

This example has been serviced, cleaned, fitted with LED dial lighting, and fully tested, making it a strong choice for buyers looking for a vintage stereo receiver that is both collectible and practical for everyday listening. It is especially appealing for vinyl-based systems, classic rock, jazz, funk, blues, and anyone building a classic silver-face two-channel setup.

Condition

This SX-850 is in very good to excellent overall vintage condition and presents well for its age.

The faceplate is clean and bright, the knobs were removed, ultrasonically cleaned, and polished, and the overall presentation is strong. The wood cabinet shows attractive vintage character with light age-appropriate cosmetic wear. As with any vintage component, minor signs of age should be expected. Please review all photos carefully, as they are part of the description and best represent cosmetic condition.

Service & Testing

This Pioneer SX-850 has been cleaned, serviced, and function-tested.

Service and prep include:

• Faceplate cleaned and polished
• Knobs removed, ultrasonically cleaned, and polished
• Potentiometers and switches treated with DeoxIT
• Internal dust removed
• LED dial lighting confirmed
• FM tuning dial and signal strength meters checked/calibrated
• Inputs and functions tested with real-world sources including phono, tuner, AUX, and tape
• Unit tested and confirmed working

This receiver is being represented as serviced, cleaned, LED-updated, and tested working, but not as a full cosmetic restoration or total electronic rebuild unless explicitly stated.

Rear Panel & Electrical

Model reference specifications for the SX-850 include:

• Power Output: 65 watts per channel into 8 ohms
• Inputs: Phono, AUX, Tape 1, Tape 2
• Outputs: Speaker A/B, headphone output, pre-out/main-in connections
• Tuner: AM/FM analog tuner
• Made in Japan

Specs listed are based on model-reference information unless specifically shown in the rear-panel photos. Buyer should confirm exact rear-panel details, fuse type/value, and speaker-load requirements from the photos before purchase.

Features

• Classic Pioneer SX-series silver-face receiver styling
• 65 watts per channel
• Built-in phono stage for turntable use
• AM/FM analog tuner
• Speaker A/B outputs
• Pre-Out / Main-In connectivity
• Wood case / cabinet
• LED dial lighting
• Strong all-around choice for vintage two-channel systems

Sound

The SX-850 is popular for good reason. It delivers the classic Pioneer sound buyers look for: warm, dynamic, full-bodied, and easy to listen to, while still offering enough clarity and control to feel refined. It has the power to pair well with many vintage and modern speakers, and it performs especially well in systems built around vinyl, classic rock, jazz, funk, blues, and singer-songwriter material.

For many buyers, the SX-850 hits the ideal balance of sound quality, usable power, visual appeal, and long-term collectibility.

Included

• Pioneer SX-850 receiver
• Wood case
• Attached power cord
• Only items shown in the photos are included

Shipping & Packing

This receiver will be packed with care using a double-boxed, vintage-audio-conscious packing method to help protect it in transit.

Shipping cost includes:

• Quality packing materials
• Insurance
• Handling

Ground shipping only.
Local pickup can also be arranged in Newton, MA.

Please Read

This is a vintage electronic component and is being sold as described based on its current tested condition. Because of age, vintage audio equipment may require minor adjustment, service, or calibration over time, especially after shipping.

Please review all photos and the demo video carefully before purchasing, and ask any questions in advance.

For any shipping-related issue, please keep all original packaging and document the condition immediately with clear photos. Reverb Shipping Protection procedures require the buyer to retain the original packaging for claims review. In some cases, local repair reimbursement can be considered if approved; otherwise, the item can be returned for a full refund once the claim is processed and Reverb issues the return label.

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