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Thread Starter 

I have four nice Sylvania 6SL7GT tubes that all test at NOS levels, and are matched electrically, but only two of them are identical in type - tall bottle with grey round plates.  The other two are a little different.  I am way too heavy on 6SL7's, so these need to go. 

 

$15 shipped in the ConUS - $20 shipped most other places.