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(1) Tested Sylvania 6KA8 Tube with Box Date Code RAA Triode Pentode Vacuum Tube

(1) Tested Sylvania 6KA8 Tube with Box Date Code RAA Triode Pentode Vacuum Tube

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(1) Tested Sylvania 6KA8 Tube with Original Box.
Date Code RAA.

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

Gm Test = 1400-1225 micromhos
Minimum pass/good = 950-625

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