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(1) Tested Very Strong Tronal EF89 6DA6 Tube with Box EF89 Tube Pentode Tube

(1) Tested Very Strong Tronal EF89 6DA6 Tube with Box EF89 Tube Pentode Tube

Tested and Guaranteed

$24.95 USD
$24.95 USD
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(1) Tested Tronal EF89/6DA6 Tube with Original Box.

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

Gm Test = 4375 micromhos
Minimum pass/good = 1900

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