Lots of good topics today.
Speaking of heater voltage. I am working on my first tube based amplifier.
Is there any reason that an adjustable voltage regulator couldn't be used to
"dial in" the heater voltage? I'm specifically thinking about his for a
single 3cx800a7 which requires 13.5 +- 0.6v @ 1.5A. One thing that
bothers me in the 3cx800's data sheet though is the cathode-heater potential
(it lists +-150v). I don't know what that parameter is and I don't see it
listed in other datasheets.
Thanks,
Paul, kg7hf
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