Overview

Pioneer SX-838 stereo receiver w/ wood case — serviced, FM aligned, LED dial lighting, bias/DC offset set, fully tested/working. Classic mid-’70s Pioneer receiver rated at 50W + 50W RMS into 8Ω (both channels driven).
This unit has been cleaned, checked, and dialed-in with measured bias/DC offset readings (below). Fully tested and ready to enjoy.

Condition

• Very nice vintage presentation overall—please use photos as the primary cosmetic description.
• Faceplate and knobs removed for cleaning; knobs ultrasonically cleaned and hand-polished.
• Wood case included (see photos for grain and any age-appropriate wear).
• All lighting is even and bright with LED dial lighting installed.

Service & Testing

• Serviced/cleaned by technician
• Controls cleaned/treated (smooth operation)
• Boards cleaned with electronic cleaner
• FM tuner aligned
• LED dial lighting installed
• Bias + DC offset set and recorded (measured):
• • DC Offset: L 0.42 mV / R 0.00 mV
  • Bias (Idle Current): L 15.22 mV / R 15.15 mV

Tested and verified:

• Reliable power on / stable operation
• Clean output on both channels
• FM reception after alignment
• Inputs/controls and speaker outputs function as expected (see demo)

Note: Not represented as a full recap/restoration unless explicitly stated and documented.

Rear Panel & Electrical (Photo-Verified)

(See rear-panel photos for exact labeling.)

• AC: 120V / 60Hz
• Pre Out / Main In: Jumpers installed (L/R)
• Speaker outputs and source I/O present as labeled on the rear panel
• Antenna terminals for FM/AM

Safety note: Specs are per rear-panel label/photos; buyer should confirm correct fuse type/value and appropriate speaker load before use.

Interior Condition

Interior photos are included for transparency—please review the inside shots for overall cleanliness and prior service evidence (if any).

Features

• 50W/ch RMS into 8Ω (both channels driven), with low published THD.
• Drives up to three pairs of speakers with flexible A/B/C selection.
• Classic Pioneer mid-’70s design with strong tuner section and very usable control layout.

Sound

Big, punchy, classic Pioneer “silver-face” presentation—great bass grip, clear mids, and an easy, musical top end. Pairs beautifully with vintage JBL/ADS/Klipsch-style speakers.

Included

• Pioneer SX-838 receiver
• Wood case (as shown)
• Pre Out/Main In jumpers installed (as shown)

Shipping & Packing

$225 insured Ground shipping (Ground only).
Shipping price includes carrier cost + packing materials + handling + Reverb insurance.

Packing method:

• Knobs/faceplate protection
• Foam blocking and reinforced corners
• Double-boxed for safe transit

Local pickup available: Newton, MA.

Please Read

Please review all photos + the YouTube demo carefully and message with any questions before buying. Vintage gear is best enjoyed when expectations match the photos, video, and description.

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