Bias circuit?
Posted: Tue Oct 09, 2007 3:56 pmHow much current does this circuit draw?
Blair
Blair
Well, the Poseidon schematic shows a 4.75K resistor, followed by a 10K pot and another 18K resistor. There's 75 volts at the top, so it must run at about 2.3 mA.
Add in whatever grid leakage you've got on your power tubes - hopefully not much?