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(1) Tested Sylvania 6CB6A Tube Date Code Ki BPT Pentode Sylvania 6CB6 A Tube

(1) Tested Sylvania 6CB6A Tube Date Code Ki BPT Pentode Sylvania 6CB6 A Tube

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(1) Tested Sylvania 6CB6A Tube.
Date Code Ki BPT.

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

Gm Test = 3875 micromhos
Minimum pass/good = 3500

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