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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 albertporter

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albertporter
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There was a site with links covering this exact subject. For some reason the server is down or the web site has been removed.

The link provided below is only in "cache" with Google. If you find value in the comparisons I would print it out before they remove it. Hopefully the original will return with data intact.

http://216.239.39.100/search?q=cache:xu2DiX5j-SYC:www.hickoktubetesters.com/12au7.htm+hickok+tube+testers&hl=en&ie=UTF-8
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