[Amps] Switching Supplies for High Current Filaments

[Ron Youvan]

Randall, Randy wrote:
> Surplus switchers are available quite reasonably priced versus the much scarcer transformers of the same ratings.
>

   And the switching supply is regulated and adjustable to provide the 
desired Voltage at the tube pins.  A 50 or 60 Amp supply would be needed 
for a 30 Amp load, they are cheep as pulls from junked equipment.
-- 
    Ron  KA4INM -  Next AReU meeting is on October 5, 2010 @ 7:30 pm