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Classic Currents

(1) Tested Wells Gardner 6SN7GTB Tube Chrome Dome Black Plates Code EC 6SN7GT

(1) Tested Wells Gardner 6SN7GTB Tube Chrome Dome Black Plates Code EC 6SN7GT

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(1) Tested Wells Gardner 6SN7GTB Tube.
Date Code 613.
The 312 EIA code indicates that this tube was made by Sylvania for Wells Gardner.

Chrome Dome envelope flashing with black angled T plates.

This tube tests as NOS.

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

Test Result = 3000-2500 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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