Quote:
Originally Posted by Zsuttle
Just curious, what could possibly be loading down the voltage on the screen of the HV output? and what is the plate voltage of the 6BQ6 supposed to be? (Listed as do not measure)
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Leakage current to ground internally in the CRT or possibly something interfering with correct bias on the grids.
The plate of HO tube has high voltage spikes that can easily take a meter out. It's generally not recommended to try measuring there.