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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. 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
  3. Lorado

    Sony TA-5650 upgrading

    Hi all, I am a new member from Australia and I bought a second-hand Sony TA-5650 V-Fet amplifier. I read in this forum about how to measure the V-Fet transistors, so I removed them from the amplifier , cleaned them thoroughly from thermal paste and measured them according to Sony Hi-Fi Service...
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