Well, the bias voltage, regulated via R21 and R31, produces a current through R32 and R33, which makes them the measuring points for the actual bias current. Since the resistor ist 10 Ohms, I regulated the bias voltage in a way that 650mV are dropped across each of them. I don't care for the actual voltage at the grid, I only measure over the cathode resistor.
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Important lesson: Don't ever drop a pizza in an amplifier!
I was lucky it was the other one which is still pretty early in it's building phase....
Well, soldering the other resistor to the input I somehow managed to shorten the input. Next days are going to be exams, so I shouldn't even be thinking about amps.. But afterwards I'm gonna fix that and try removing the PSU from the case.
That clearly shows, that I'm out of ideas.
I was lucky it was the other one which is still pretty early in it's building phase....
Well, soldering the other resistor to the input I somehow managed to shorten the input. Next days are going to be exams, so I shouldn't even be thinking about amps.. But afterwards I'm gonna fix that and try removing the PSU from the case.
That clearly shows, that I'm out of ideas.
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