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(1) Tested Strong RCA 12SK7 Tube with Box Date Code ND Pentode Vacuum Tube

(1) Tested Strong RCA 12SK7 Tube with Box Date Code ND Pentode Vacuum Tube

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$11.95 USD
$11.95 USD
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(1) Tested Strong RCA 12SK7 Tube.
Date Code ND.

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 = 2500 micromhos
Minimum pass/good = 1260
NOS Target Value = 1890

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