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(1) Tested Sylvania 17EW8/HCC85 Tube with Box Date Code KBG NR Germany 17EW8

(1) Tested Sylvania 17EW8/HCC85 Tube with Box Date Code KBG NR Germany 17EW8

Made in Germany

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(1) Tested Strong Sylvania 17EW8/HCC85 Tube with Original Box.
Date Code KBG NR. Made in West Germany.

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

Gm Test = 7250-6625 micromhos
Minimum pass/good = 3600-3600

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