And the blower would still need to be on as well, to keep from
heat damaging the tube, it will still get hot. Never power a
filament with no forced air! Even reduced filament voltage..
Sent from my iPad
> On May 4, 2017, at 12:46, Randall, Randy <Randy.Randall@UCHealth.com> wrote:
>
> I wonder how much the warmup delay would be shortened if the filament was run
> at, say, 3 V on a 24/7 basis, and then increased to 5V when the amplifier was
> powered up
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