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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Tester settings identical for 5751 and 12AX7? posted by ruffscruff on September 9, 2003 at 07:31:37:
I checked two more high end Hickok testers. Both the 539C and the KS Cardmatic use the same data and reject points for these two tubes. The Triplett 3444 and the Heath TT1A use a slightly different set-up for 5751 than for the 12AX7. They have higher reject points for the 12AX7, and also a different bias setting. Hickok just seemed to ignore the differences between the two tubes. This might have been an oversight--we will probably never know. But--Hickok used the same bias setting to test both tubes--where Heath and Triplett used a higher bias for the 5751. So--is is possible that the expected reading would be the same.
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Follow Ups
- Re: Tester settings identical for 5751 and 12AX7? - Chris Haedt 08:45:15 09/09/03 (2)
- lower bias "looks" better >> Re: Tester settings identical for 5751 and 12AX7? - ruffscruff 11:17:25 09/09/03 (1)
- Re: lower bias "looks" better >> Re: Tester settings identical for 5751 and 12AX7? - Chris Haedt 12:56:15 09/09/03 (0)
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