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by Edgar Sterling
Fri Apr 18, 2014 12:13 am
Forum: Technical Discussion
Topic: Blues junior's plate voltage acting strange. Problem solved!
Replies: 17
Views: 9013

Re: Blues junior's plate voltage acting strange. Problem solved!

Had to post… I experienced this exactly today taking voltages after changing a bias resistor on a Blues Junior. Same tube, V4. Couldn't get a b+ reading off the plate, meter beeping and giving no readout, but the current looked fine. Read this about the oscillating phase inverter and pulled the tube...