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Classic Currents

Tested Matched Pair 1973 Western Electric 415A Tubes O Ring Halo Codes 7339

Tested Matched Pair 1973 Western Electric 415A Tubes O Ring Halo Codes 7339

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$24.95 USD
$24.95 USD
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Tested Matched Pair of 1973 Western Electric 415A Tubes.
Date Codes 7339 places the production to July - September of 1973.

Similar to a 6AS6.
Tubes are closely matched for Gm testing (see below), date codes and internal structure - they are identical.
Black plates with top O ring halo getters.

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

Gm Test = 2250 and 2125 micromhos
Minimum pass/good = 1540

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