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Classic Currents

(1) Tested Tung Sol 6SN7GTB Tube Tall Bottle Black Plate Horseshoe Getter 624-3

(1) Tested Tung Sol 6SN7GTB Tube Tall Bottle Black Plate Horseshoe Getter 624-3

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$34.95 USD
$34.95 USD
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(1) Tested Tung Sol USA 6SN7GTB Tube.
Date Code 624-3.

Tall bottle envelope with black angled T plates, horseshoe halo getter and sawtooth mica spacers.

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

Gm Test = 2625-2500 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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