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Classic Currents

Matched Pair Sylvania 12AU7A Tubes Codes 735 Copper Posts Grey Plates 12AU7 (h)

Matched Pair Sylvania 12AU7A Tubes Codes 735 Copper Posts Grey Plates 12AU7 (h)

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$44.95 USD
$44.95 USD
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Tested Very Strong Matched Pair of Sylvania 12AU7A Tubes.
Green Lettering. Date Codes 735.

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

Gray plates with copper grid posts and square halo getters.
The wording is partially worn off of one tube but is still recognizable.

This set 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 = 2575-2700 and 2425-2425 micromhos
Minimum pass/good = 1400-1400
NOS Target Value = 2100-2100

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