Dear Scott,
You might wish to open the HV circuit and let the tubes cook with just
filament
voltage applied for about a day. This might serve to prolong the tube
life
and to prepare them for the shock of RF and HV.
Hal Mandel
W4HBM
> I just got a very nice Ameritron AL-80A, which seems to be in very
> nice
> shape- certainly excellent cosmetically. Unfortunately, the fellow I
> bought
> it from neglected to pack the manual with it and I'm expecting it in
> the
> mail in a day or two. In the meantime, I'm wondering if anyone can
> let me
> know what I should see for high voltage (I'm seeing about 3000-3100
> volts,
> on a 115 volt line) and what the tune up procedure is for this amp.
> I've had
> it on for a few hours idling, just in case the tube- an Eimac- might
> be a
> bit gassy from lack of use, but haven't put any RF into it, but I'd
> like to
> get on line ASAP. Is 3000-3100 volts reasonable for this amp at 115v
> line
> voltage? Any assistance any of you can offer will be most
> appreciated!
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