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(1) Tested Reliable Selectron 25BK5 Tube with Box Code 743 Beam Power Tube

(1) Tested Reliable Selectron 25BK5 Tube with Box Code 743 Beam Power Tube

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$9.95 USD
$9.95 USD
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(1) Tested Reliable Selectron 25BK5 Tube with Original Box.
Date Code 743.

This tube tests above NOS specs.

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

Test Result = 7500 micromhos
Minimum pass/good = 3450
NOS Target Value = 5175

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