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RE: B+ dilemma

I may not have explained it correctly....
My pre amp has a seperate chassis power supply that uses a tube (5r4gy) rectifier and has a LCLC filter network with a 20k/50w bleeder resistor across the 2nd 15u cap. This gives me 400 vdc for the b+ for the pre amp via an umbilical to the pre amp chassis. What I want to do is tap into the b+ on the pre amp chassis and take 250 vdc to the phono pre amp chassis for it's b+.
I was trying to model this on psuII but could not see any way to do it. Not sure how you would set it up.
It wasn't a RC filter that wasn't recommended, but rather dropping b+ voltage with a resistor. It was said that this would adversly affect sound quality from what I could find.
Not quite sure how you would set up what you described on PSUII either.
Since this appears to be a simple solution to the problem I would really like to see a drawing of how to implement it. Do you know where one can be found on the net?


Edits: 07/16/14 07/16/14 07/16/14
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