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(1) Tested GE 6BK7B Tube Green Letters General Electric 6BK7 B Twin Triode Tube

(1) Tested GE 6BK7B Tube Green Letters General Electric 6BK7 B Twin Triode Tube

Tested and Guaranteed

$9.95 USD
$9.95 USD
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(1) Tested GE 6BK7B Tube.
Green Letters.

This tube tests well above NOS ratings.

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

Gm Test = 10,750-10,375 micromhos
Minimum pass/good = 8025-8025

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