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tube tester oscillation

  1. Garry777

    Adding Ferrite Beads to TV-7B/U Tube Tester (to stop oscillations)

    Does anyone have knowledge about adding ferrite bead(s) to a TV-7B/U Tube Tester circuit to stop oscillation in a tube being tested. I'm having problems with an old 6L6GB tube that goes into oscillation when tested on my TV-7B/U tube tester. I know that a ferrite bead is used on a wire going...
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