[Heathkit] Rebuilding Heath HA-10 Warrior power supply

Rick Poole wa1rkt at arrl.net
Sat Apr 7 20:48:59 EDT 2012


Thanks to all who replied to my question ref. rebuilding the Warrior 
power supply.

I had another thought... If I recall correctly, the stock Warrior 
power supply puts out something like 1800 volts for the plates of the 
811A tubes.  If I replace the tubes with 572B's AND bump the plate 
voltage up to around 2200-2500 volts, and run the four 572B's at 
around 1000-1200 watts PEP output, will the plate tuning capacitor 
withstand the resulting higher voltage, without arcing?  Or do I need 
to consider replacing it with a wider-spaced tuning cap?

Rick WA1RKT
Londonderry, NH
Catch me on 14.300 MHz Intercon / MMSN most days



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