Sorry people, another question as I try to build up this bastardized Bassman. I have read on the trusty internet that elevating the filament supply by referencing to between 30 and 70VDC helps reduce hum. So I am wondering if I can split the AC bias supply into two, with two diodes facing different ways, producing +50 and -50. Well, I know I can. But what I want to know is do I need a filter cap in there to ground too? Or can I just go from the +50VDC to the wiper of my humdinger? Hmmm, the wiper of my humdinger - sounds a bit sexy.
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