[AMPS] Plate transformer, chimneys

[Rich Measures]

>
>I've got just about all of the parts for my 2 x 3-500z amplifier except the
>plate transformer.  I haven't been able to find one of reasonable size and
>weight inexpensively, so I'm thinking about buying one from Dahl.  My 
>question
>is:  should I get a transformer for a doubler or full-wave bridge circuit?  I
>was planning to use a doubler and one of the SB220-replacement type of
>transformers, but I realized that if I'm actually going to buy a new one, 
>I can get whatever I want.  I already have 8 240uf 450v electolytics for the 
>filter; I can use them in either configuration.
>
>I want to run the amp at 3000v.  Would a bridge circuit provide a stiffer 
>plate supply?
>
€  An important factor with capacitor-filter supplies is the winding R of 
the transformer.  Since FWD supplies require only half as many turns on 
the HV secondary winding as do FWB supplies,  making a comparison is not 
easy.  

-  later, Vic


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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