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(1) Tested GE 6SN7GTB Tube with Box Copper Posts Gray Plates Code 59-22 6SN7GT

(1) Tested GE 6SN7GTB Tube with Box Copper Posts Gray Plates Code 59-22 6SN7GT

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$28.95 USD
$28.95 USD
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(1) Tested GE 6SN7GTB Tube with Original Box.
Date Code 59-22.

Gray plates, copper grid posts and a side horseshoe getter.
The box shows worn corners.

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 = 2875-3000 micromhos
Minimum pass/good = 1650-1650
NOS Target Value = 2475-2475

Also performance tested in-circuit through a Class A amplifier with no microphonics detected.
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