SET Asylum

Single Ended Triodes (SETs), the ultimate tube lovers dream.

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RE: How long did you run them in before hitting them with high voltage?

Posted by benie on February 9, 2017 at 11:34:19:
If you look at most MV rectifier tube data, they will say 20-30 min warm up before applying high voltage for new tubes or tubes that have not in use for a while.
When the tubes warm up the Mercury will settle at the bottom, at any time when a tube has been on it side, one must go through the warm up procedure again