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EZ81- how much can they really take?

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  • EZ81- how much can they really take?

    I'm in the middle of a build and I think I'd like to add a 6 volt rectifier to the circuit. The TF I'm using has around 800vct and I know that's over the limit for a cap input filter with this tube. How long will it last? I'm only planning to draw about 100ma at idle and less than 150ma under load.

    There is only one 6 volt winding on the transformer so I don't want the cathode/fil winding to break down- it could get ugly in a hurry!

    I guess I could use dropping resistors or an extra filament TF for a higher power rect but I thought I'd ask first.

    jamie

  • #2
    surprised no one chimed in with an "I remember this one time..."

    oh well.

    jamie

    Comment


    • #3
      My own personal feeling is that rectifiers with isolated cathodes are risky. If the insulation blows out it can destroy your PT in seconds. Running the rectifier over its rated voltage is only going to stress this insulation more, so it really can't be recommended.
      "Enzo, I see that you replied parasitic oscillations. Is that a hypothesis? Or is that your amazing metal band I should check out?"

      Comment

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