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sony ta-5650

  1. jerdobi

    Restoring a vintage 50 year old Sony TA-5650 in 2026

    I wanted to say a big thank you to the entire audio community both on AudioKarma and YouTube for all the help and guidance in restoring my Sony TA-5650. As we all know, these amps are no small project—the output FETs are extremely difficult (if not impossible) to find and match properly. I...
    • jerdobi
    • Thread
    • sony sony ta-5650 ta-4650 ta-5650
    • Replies: 5
    • Forum: Solid State
  2. T

    wega v-4810 (sony ta-5650 v-fet) right channel lower volume and missing low frequencies dead v-fets? (problem isolated to the power amp section)

    I bought a v-4810 for not a lot of money and I wanted to keep it for myself, however the right channel is not working correctly. I did some testing and sadly the issue lies in the power amp section. Could someone tell me if there is a way to know whether this is caused by defective v-fets or...
  3. MattiaM

    Sony TA-5650 V-FET high pitch annoying noise

    Hello, I just completed (or so I thought) the restoration of a Sony TA-5650. I am a novice in electronics, and this is one of my first restorations. I replaced the kilelr diodes, added the voltage doubler mod for the power supply, replaced the transistor that control the DC offset, recapped it...
    • MattiaM
    • Thread
    • sony sony ta-5650 sony vfets ta-5650 vfet
    • Replies: 18
    • Forum: Solid State
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