05-04-2017, 08:16 AM
They are not equivalent: the first number stands for the heater voltage so use what was there before.
But given this many variations in the sch I would try first to figure out what exact version I have and what tube should be there, just to be sure.
But given this many variations in the sch I would try first to figure out what exact version I have and what tube should be there, just to be sure.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.