|[AMRadio] Re: 450T amp|
ars.w5omr at gmail.com
Wed Jun 13 01:33:02 EDT 2007
D. Chester wrote:
> I wouldn't run the tube filament at half voltage. That will shorten
> the tube life just as much as too much voltage.
it was just for a test, to see if the circuit was working. It probably
wasn't on more than 15 mins.
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