08-25-2017, 07:22 AM
I'd double check all the voltages while the tube is plugged in. If you don't have a tube manual the 6U5 is p. 141 in the following manual:
http://www.tubebooks.org/tubedata/RC15.pdf
It sounds like your plate voltage might be missing or low. That 1 meg resistor (if open) will keep the eye from closing.
http://www.tubebooks.org/tubedata/RC15.pdf
It sounds like your plate voltage might be missing or low. That 1 meg resistor (if open) will keep the eye from closing.
John KK4ZLF
Lexington, KY
"illegitimis non carborundum"
