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#1
03-06-2021, 04:08 AM
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Variac?
I have a few project tube radios I want to start working on. I am not sure the last time they were energized ... and am under the impression that I should use a variac. Does anyone know ... are the various like those sold on Amazon any good? How high an amperage would I need? And is it true they should only be used with tube equipment and not solid state?
As always, thank you! 
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