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What is a NOS 6SN7 tube with these tube testers??

I am very familiar with the TV-7 and Hickok tube testers and what level for a 6SN7 tube is a like-new tube and what is passing.

What is the like-new and pass ratings for a 6SN7 tube using a B&K, Sencore, Eico, Jackson, or any other brand people have experience with?

Any website with this information would also be great!!

A lot of tube ads on the web quote the test results, but without a frame of reference, they are not very useful.
sugarbrie

Showing 1 response by rphsvc

rphsvc
22 posts
 
Ask Kara Chafee. She repairs hickock testers and with an email address of 6sn7@abac.com should be able to give a definitive answer! That said, I think its more important to have the two triode sections in an individual tube to be closely matched than the absolute values.
-Stephen C.
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