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(1) Tested International ServiceMaster 6CL8A Tube with Box Date Code 522-115

(1) Tested International ServiceMaster 6CL8A Tube with Box Date Code 522-115

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$7.95 USD
$7.95 USD
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(1) Tested Strong International ServiceMaster 6CL8A Tube with Original Box.
Date Code 522-115.

The box has a dented front tab.

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

Gm Test = 5500-10,625 micromhos
Minimum pass/good = 2500-4400

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