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Help with tube tester

Daniel Koenig

New Member
Aug 16, 2018
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Hello everyone, I am new to the Forum and I have a question about something I just purchased at an auction. I have a allied radio, knight 400A tube tester. It did not have a manual or any paper work with it. Can anyone help with info on how to set it for testing tubes. I have looked online like crazy for info and can't find anything. Thanks for your time. I will try and post a picture of it. Dan
 

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Reactions: Shadetree Mechanic
I just checked mine I wasn't sure what kind it was , but mine is an " Accurate Instrument " I paid $3 for it @ a yard sale years back .But it brought back memories my nephew who passed away 5 years ago would sit there for hours w/ an old bag of tubes looking them up and checking them . Thanks for the " Good" memories . 73 and God Bless , Leo:)
 

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