Offered here is a beautiful Pioneer QX-646 Quadraphonic Receiver, a classic 4-channel receiver from the golden age of quadraphonic audio. Combining Pioneer’s renowned build quality with versatile quadraphonic capabilities, the QX-646 delivers an engaging and immersive vintage listening experience.
This receiver has been fully tested and serviced with DeoxIT to ensure smooth operation and reliable performance. The front panel illumination lamps have been replaced, restoring the receiver’s classic appearance and improving visibility.
🔧 Functionality
Fully tested and working properly
Controls and switches cleaned with DeoxIT
No scratchy/static controls
Strong, clean audio output
AM/FM tuner functioning properly
Front panel lamps replaced
Quadraphonic functions operating properly
All inputs and outputs verified
🎛️ Highlights
4-channel quadraphonic receiver
Classic Pioneer silver-face styling
Restored front panel illumination
Excellent tuner section
Multiple speaker configurations
Made in Japan
🧱 Cosmetic Condition
Excellent cosmetic condition with minimal signs of age. Faceplate, knobs, cabinet, and dial area present exceptionally well. A beautiful example of a vintage Pioneer quad receiver.
