Quote:
Originally Posted by telstar
The heater wire inside the glass envelope had not been connected to the end of the terminal, but instead was left un-soldered inside.
Has anyone else experienced similar events?
Cheers
Mike
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Inside the base to the pin or inside the glass envelope?
Its certainly not unknown for dry joints on Valve pins on B4, B5 and B7 bases.
Usually then can be re-soldered.
If it's inside the envelope then it looks as if a weld has failed that's usually the end of the story.
Cheers
Mike T