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Classic Currents

(1) Tested GE 6SN7GTB Tube Glow Top Filament O Getter Code LL 6SN7GT

(1) Tested GE 6SN7GTB Tube Glow Top Filament O Getter Code LL 6SN7GT

Glow Top Filament

$32.95 USD
$32.95 USD
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(1) Tested GE 6SN7GTB Glow Top Tube.
Date Code LL.

Attractive glow top filament with gray ladder plates and a side round O getter.
The wording is partially worn off of the glass - see photos.

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

Gm Test = 2875-2750 micromhos
Minimum pass/good = 1650-1650

Further tested under real operating conditions on a Class A amplifier and exhibiting no microphonics.

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