Quote:
Originally Posted by Electronic M
One thing you can do if you need an adapter fast and have a spare socket of the right type and a dud tube that fits it, is make your own adapter...Carefully bust all glass but the base, cut all leads inside the dead tube as far from the base as feasible and solder wires (3" is probably a good length) from them to the socket keeping the lead order correct.
A lazier way if you have several good spare tubes of the right type that you don't mind killing is to solder thin wires to the top of the pins for test points...If you heat too long the glass will crack and the tube will die of vacuum loss.
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Have you had good luck doing this? I tried soldering to the leads inside a miniature tube and the solder didn't take. I believe the leads are nickle alloy or something like that which lead-tin solder doesn't work with. Maybe with a special solder, flux and a torch.