🎥 YouTube Demo

A video demo is included with this listing. Please review the video, all photos, and the full description carefully before purchasing. Ask any questions before buying.

Overview

For sale is a Pioneer SX-780 vintage stereo receiver with wood cabinet, serial number AB358174S.

This unit has been serviced, cleaned, upgraded with LED dial lighting, and tested working. Service documentation shown in the photos indicates the STK-0050 output module was replaced, controls were cleaned/exercised, and the unit was bench tested after service.

The SX-780 is one of Pioneer’s most popular late-1970s silver-face receivers, rated at approximately 45 watts per channel into 8 ohms, with classic styling, strong output, and excellent everyday usability.

Condition

• Clean brushed aluminum faceplate
• Warm LED dial lighting installed
• Original Pioneer knobs and switches
• Clean dial glass and readable lettering
• Wood cabinet included
• Wood case presents well with normal vintage wear
• Some edge/corner wear and side-panel marks
• Rear panel is clean and readable
• Serial plate intact
• Right power/VU meter appears stuck
• Meter issue is disclosed and does not affect audio playback
• Tested and working

Service & Testing

Service note / documentation shown in photos indicates:

• STK-0050 output module replaced
• Unit serviced and cleaned
• LED dial lighting installed
• Controls cleaned and exercised
• Bench tested after service

Tested / verified:

• Powers on properly
• Left and right audio channels working
• Speaker outputs tested
• Volume and balance working
• Function selector working
• Tone controls working
• AM/FM tuner checked as applicable
• AUX / PHONO / Tape inputs checked as applicable
• Unit plays and operates properly

Known issue: right power/VU meter appears stuck. This is cosmetic / meter-related and does not affect audio output.

Not represented as a full recap or full restoration unless explicitly stated and documented.

Rear Panel & Electrical — Photo Verified

Rear-panel details visible in photos:

• Model: Pioneer SX-780 Stereo Receiver
• Serial Number: AB358174S
• AC: 120V, 60Hz
• Power consumption: 150W
• Made in Japan
• FM antenna: 75Ω unbalanced / 300Ω balanced
• AM and ground terminals
• FM de-emphasis: 25µs / 75µs
• Speaker A / B outputs
• Speaker impedance:
• • A or B: 4Ω+ per speaker
  • A + B: 8Ω+ per speaker
• Inputs: Phono, AUX, Tape 1 Rec/Play, Tape 2 Rec/Play
• AC outlets:
• • Switched: 100W max
  • Unswitched: 300W max
• Captive AC power cord

Features

• Approximately 45 watts per channel into 8Ω
• AM/FM stereo receiver
• Dual power meters
• FM tuning meter
• Phono input
• AUX input
• Dual tape monitor loops
• Speaker A / B selection
• Bass and treble controls
• Low filter
• FM muting
• Loudness
• Stereo / mono
• Headphone output
• Classic Pioneer silver-face styling
• Wood cabinet included

Sound

The SX-780 delivers the clean, punchy, musical sound Pioneer receivers are known for, with enough power for a wide range of vintage and modern speakers. It is a strong choice for a living room, office, vinyl setup, or vintage hi-fi system.

Included

• Pioneer SX-780 vintage stereo receiver
• Wood cabinet
• Service documentation / note shown in photos
• No remote, manuals, or accessories included unless shown

Shipping & Packing

Shipping: insured ground shipping

This receiver will be packed carefully using reinforced packing materials, faceplate protection, internal blocking, and double-boxing as appropriate.

Shipping includes carrier cost, insurance, packing materials, and handling.

Local pickup available in Newton, MA 02466.

Please Read

This is a vintage electronic item and is sold as described. It has been serviced/cleaned and tested, but vintage electronics can require future maintenance due to age.

The right power/VU meter appears stuck and is disclosed in this listing. Audio playback is working properly.

Please review all photos and the video demo carefully. Photos are part of the description.

If there is an issue upon arrival, please contact me before opening a case so we can work through the proper Reverb Protection / issue-resolution process.

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Hashtags

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