[R-390] Testing tubes r392

[sigmapert]

If you're collecting vacuum tube gear in my opinion a tube tester is a must.

The most authentic tube tester for military vacuum tube gear undoubtedly is the TV-7D/U.

Because the TV-7 was the standard tube tester used in the maintenances all over the world
this tester isn't rare. Lookout for the most recent model D. Here a TV-7D/U in pristine
condition:

http://schmid-mainz.de/TV-7-D-Ecco/Final/Ecco-04.jpg

No, I do not sell one.

SigmaPert



> I would like to test the tubes in my r392. Can I test those tubes in a
> standard tester? Or do I need a special tube tester?

> FYI I'm relatively new to the vacuum tube world.
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