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hicok tester

  1. C

    Need help with understandin average mutal conductance

    I recently bought out 3 radio store full of vacuum tubes. I have roughly 100000 vacuum tubes to test on a hicok tube tester that I just bought. I understand the roll chart up until it say average mutual conductance. Is that the min the tube should test to be good. Does that number for example...
    • chaztaylor
    • Thread
    • hicok tester mutual conductance average need help tube tester help vacuum tube
    • Replies: 35
    • Forum: Tube Audio
  2. C

    Need help with understandin average mutal conductance

    I recently bought out 3 radio store full of vacuum tubes. I have roughly 100000 vacuum tubes to test on a hicok tube tester that I just bought. I understand the roll chart up until it say average mutual conductance. Is that the min the tube should test to be good. Does that number for example...
    • chaztaylor
    • Thread
    • hicok tester mutual conductance average need help tube tester help vacuum tube
    • Replies: 1
    • Forum: Tube Audio
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