31-07-2018, 07:44 AM
Terry, allowing for leakage in the smoothing caps, 100k may be too high a value of series resistor to generate enough HT voltage. Other than that your idea is even better than mine.
While powered up like this checking for leakage in the output valve grid coupling cap can still be carried out.
Al
While powered up like this checking for leakage in the output valve grid coupling cap can still be carried out.
Al
Tuned for maximum smoke .







