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Single Ended Triodes (SETs), the ultimate tube lovers dream.

RE: I don't direct couple because I use filament bias.

Hi Jeff,

I'd like to.. I had it running with the 2A3 supply stacked on the input/driver B supply without the IT, it made me nervous enough with the OPT not being sufficiently rated for the voltage WRT 0V (UBT-1), had the core floating at 255V to make it sort of acceptable. I had TS jack for measuring driver filament voltage and it shorted, output stage ran away.. I don't know how it didnt melt down the OPT but I'm just not needing that sort of stress. It sounds good enough, perhaps not as good, but eh, you know.


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