Quote:
Originally Posted by Kamakiri
That's the odd thing. Powered it up on my tester, 6.3V, and let it warm up for a minute. Walked away for a sec, heard a quiet SNAP, and the filament went dead 
Never had that happen before. |
Sorry to hear, that is typical heater burn-out for a very gassy tube... likely the 19AP4 was pretty much "up to air" when you got it. How do the getters look?
jr