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Classic Currents

(1) Tested Sylvania 6SR7 Tube Sylvania 6SR7 Twin Diode Medium Mu Triode Tube

(1) Tested Sylvania 6SR7 Tube Sylvania 6SR7 Twin Diode Medium Mu Triode Tube

Tested and Guaranteed

$9.95 USD
$9.95 USD
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(1) Tested Sylvania 6SR7 Tube.

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

Gm Test = 1875 micromhos
Minimum pass/good = 1200
Both diode sections test strong.

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