05-31-2013, 12:41 PM
Also check your variac output voltage, make sure that if it says 110V it is 110V and not 130V.
Last thing:
Blue glow in some tubes is perfectly normal. It may be glass itself when bombarded with electrons, some types of metal. So, measure your voltages in fully working mode and disregard the glow at least for a while.
Last thing:
Blue glow in some tubes is perfectly normal. It may be glass itself when bombarded with electrons, some types of metal. So, measure your voltages in fully working mode and disregard the glow at least for a while.
