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Classic Currents

Matched Pair Sylvania 12AU7A Tubes Codes 726 Grey Plates Copper Posts 12AU7 (d)

Matched Pair Sylvania 12AU7A Tubes Codes 726 Grey Plates Copper Posts 12AU7 (d)

Tested and Guaranteed

$44.95 USD
$44.95 USD
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Tested Very Strong Matched Pair of Sylvania 12AU7A Tubes.
Green Lettering. Date Codes 726.

Tubes are closely matched for mutual conductance (GM). The date codes and internal structures are identical.

Grey plates with copper grid posts and square halo getters.

Each tube tests above NOS specs.

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

Test Result = 2650-2700 and 2650-2700 micromhos
Minimum pass/good = 1400-1400
NOS Target Value = 2100-2100

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