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Classic Currents

(1) Tested Sylvania 6SN7GTB Tube Chrome Dome Black Angled Plates Code EC 6SN7GT

(1) Tested Sylvania 6SN7GTB Tube Chrome Dome Black Angled Plates Code EC 6SN7GT

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(1) Tested Sylvania 6SN7GTB Tube.
Date Code EC.

Chrome Dome envelope flashing with black angled T plates.

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

Test Result = 2375-2250 micromhos
Minimum pass/good = 1650-1650

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

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