My (never complete...) Tube Tester Collection
2021-7-14u2002·u2002The point in question now is whether the emission or transconductance test is the best.. This is determined in part by the circuit in which the tube is to be used, in case of an RF or IF amplifier tubes, the stage gain is proportional to the transconductance; for this the Gm test is the most important. In case if an output or power rectifier tube, it must be capable of supplying large …
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