[Heathkit] no power output

[wb8jkr at juno.com]

 With the high grid I and low plate I it sounds
like there might be an open in the output
somewhere.

Mark  WB8JKR


On Fri, 21 Jan 2005 22:50:41 -0500 cottoncandydude at webtv.net (Vicki
Brunetti) writes:
> my sb221 quit working,voltage looks good,it tunes and loads ok but 
> it
> only puts out about 100 watts with 50 watts in. with grid @ 150 
> ma,plate
> abt .6 ma,as power is added the plate goes to .9 ma and the tubes 
> begin
> to glow deep red.ive tried new tubes with the same result the zenor
> checks ok,plate choke looks clean, everything looks good , but im 
> just
> guessing here.can anyone help? ...n4aze
> 
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