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Quick question regard biasing

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  • #16
    Alles klar!Kann night spreche in gutte Deutsch auch. Tut mir leid.
    "If it measures good and sounds bad, it is bad. If it measures bad and sounds good, you are measuring the wrong things."

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    • #17
      Maybe this helps:

      For the tube only the voltage between grid and cathode matters, consisting of DC bias and AC signal.
      The grid leak resistance always should be smaller than the internal grid resistance, which is typically very high (>>10M) but strongly drops at large positive signal peaks.
      So I would expect an influence of grid leak value on large signal/distortion behaviour. There may also be a difference at very high frequencies.
      Last edited by Helmholtz; 12-03-2019, 09:01 PM.
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