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ok...at this point...you need ot see if the power tranny is shorted or not.
With the 6X5 rect out of the ckt and NO diodes in to sub it....( IOW--and OPEN ckt on the HV winding of the tranny), and ALL tubes out of the set...do another variac test. THIS time...you should NOT get much draw--no more than maybe 25 watts or so--likely less--with an open ckt on the transformer. If you DO--then disconnect ALL leads from it-other than the primary--and try again. If it STILL drews over 1 amp or higher--with no laod--the HV winding is shorted. if it then drops to a very low draw...there is SOMETHING still shorted i the ckt, likely a cap somewhere.
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