Curve tracer

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9 thoughts on “Curve tracer”

  1. Lots of interesting articles…thanks!
    As 300B is becoming too expensive to experiment with, did you ever measure/trace the Russian GU-50 tube ? (as triode).

    regards
    AK-Norway

  2. Hi, congrats on the tube work.
    Sorry, if this is not right place for an answer.
    I wanted to ask a simple question: I would like to test a series of ” C3g ” and ” C3m ” tubes, as well as some ” 18042 ” tubes. My Tube Tester, TV7-B/U, does not have this type of tube. What could be done?
    Thanks in advance.
    Claudio.

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