Vintage Dynaco Stereo 400 Power Amplifier for Parts or Repair ------------ Cool!

- Best for hobbyists or technicians with Dynaco amplifier experience who can diagnose and repair vintage tube/transistor hybrid circuits or harvest parts.
- Sold as-is with known defects: four rear-panel TO-3 driver transistors test short; no other testing completed, so additional failures may exist.
- Seller has 6,629 feedback ratings at 99.6% positive, indicating consistent transaction reliability over time.
- Shipping costs $75.00; standard handling applies. Verify shipping speed and return policy before purchase given parts/repair status.
- Dynaco Stereo 400 is a hybrid design with accessible rear transistor panel; quad driver transistor replacement is a known repair path for this model.
- Before buying, confirm you have schematics and testing capability for TO-3 transistor diagnostics, and verify whether other components (output stage, power supply) are accessible for inspection.