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(1) Tested Strong Westinghouse 6SN7GTB Tube Tall Bottle Copper Grid Posts 804

(1) Tested Strong Westinghouse 6SN7GTB Tube Tall Bottle Copper Grid Posts 804

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$32.95 USD
$32.95 USD
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(1) Tested Very Strong Westinghouse 6SN7GTB Tube.
Date Code 804.

Tall bottle envelope with black offset plates, copper grid posts and a square 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 = 3125-3250 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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