I'm putting together this PSE amp using the 12B4 doubled up running into an OPT at 2500 ohms. With only 170VDC for my B+, I get a really 'steep' loadline for the 12B4......my question is 'How does one do the DC loadline for "twin" ouput tubes.??? I,m trying to get a handle on how much current each channel will be drawing.
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