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(1) Tested Strong Unbranded 12AX7 Tube Gray Plates Copper Posts Halo Getter (b)

(1) Tested Strong Unbranded 12AX7 Tube Gray Plates Copper Posts Halo Getter (b)

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$24.95 USD
$24.95 USD
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(1) Tested Very Strong Unbranded 12AX7 Tube.
Manufacturer unknown since the wording is gone, however the build of the internal structure suggests that this may be an RCA tube.

Gray plates with copper grid posts and a round halo getter.

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 = 2250-2500 micromhos
Minimum pass/good = 950-950
NOS Target Value = 1425-1425

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