I've searched hi and low on the internet and can't find any settings for Sylvania 139 tube tester. I bought the tester not realizing it didn't have a socket for 9 pin tubes. I'm in the process of installing a socket, found the wiring for it, but I can't find the settings for testing the tubes. Does anyone have the settings or suggestion, I have downloaded several manuals with no success? Second photo is what it should look like when I'm done. Thank you.
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I need to test some 6DJ8 tubes on Sylvania 139 tube tester
- Thread starter tdadawa
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