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In Reply to: Should NOS tubes always be expected to test 100/100 or better? posted by tonyptony on July 23, 2010 at 13:31:19:
No.
On your B&K a good example is 12AX7. On a 707, good is 22, but that's in the red! Oh no!!!
Every tube is different. Every tester different.
It's not an exact science, though many try like hell to make it so.
jstrm
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Follow Ups
- RE: Should NOS tubes always be expected to test 100/100 or better? - JSTRM 07/27/1008:55:31 07/27/10 (0)