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power transfomer

  1. V

    Kenwood KR-4400 power transformer help

    I just picked up a KR-4400 today from someone giving it away and couldn’t confirm if it worked or not. Brought it home and hooked it up to the DBT and turned it on. Bulb didn’t turn on and after like 15-20 seconds, heard the protection relay click over. However, I noticed that the lights were...
  2. B

    Bell 3030 Stereomaster Power Transformer Replacement

    Hello, I need a replacement for the power transformer in a Bell 3030 Stereomaster Amplifier. The Transformer that went bad has the following markings on the top lid: 32B47 138852 Contrary to the Bell 3030 schematic that I have (shown below) the 32B47 has 7 output wires. The schematic below...
  3. JayPare

    Technics SA-160, power transformer output too high

    I'm in the process of bringing back to life a SA-160 only to help me improve my electronic skills. I think I'm pretty close to get it back to life (link to the main thread), but I'm worried about voltage too high from the power source circuit: Indeed, I'm getting -43 and +43V instead of -35.5...
    • JayPare
    • Thread
    • power transfomer repair technics voltage
    • Replies: 8
    • Forum: Solid State
  4. thorpej

    What would cause a power transformer to act like this?

    Hey folks -- I'm repairing a non-working Fender Blues Junior as part of a barter. The owner says - "It worked before it went into storage, but as you can see, it was stored badly" -- the chrome has obvious signs of ambient moisture (hooray San Francisco fog). The initial check indicates that...
  5. F

    Amp Build Questions

    Hi everyone, I am hoping that someone here much smarter than I could help me out on a few questions. I am planning on building a clone of a Fisher SA-16 console amp. I have build a few amps from scratch before with the parts needed already known but I am having some doubts on this one. My...
    • Fawkes
    • Thread
    • amp build console diy fisher power transfomer sa-16 tube voltage
    • Replies: 12
    • Forum: Tube Audio
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