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(1) Tested Sylvania 6L6GB Tube Date Code MLU FA 6L6 GB Beam Power Tube

(1) Tested Sylvania 6L6GB Tube Date Code MLU FA 6L6 GB Beam Power Tube

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(1) Tested Sylvania 6L6GB Tube.
Date Code MLU FA.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts and no leaks with the following results:

Gm Test = 4375 micromhos
Minimum pass/good = 3150

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