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Matched Westinghouse 6BQ6GTB/6CU6 Tubes with Boxes Date Code 70-48 6CU6 6BQ6 GTB

Matched Westinghouse 6BQ6GTB/6CU6 Tubes with Boxes Date Code 70-48 6CU6 6BQ6 GTB

Made in Japan

$22.95 USD
$22.95 USD
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Tested Matched and Balanced Pair of Westinghouse 6BQ6GTB/6CU6 Tubes with Boxes.
Date code 70-48. Made in Japan.

Tubes are matched for Gm tests (see below) and internal structure - they are identical.
Perfectly balanced with gray plates and top round halo getters.

The boxes show moderate edge and corner wear with scuffing - see photos 7, 8 and 9.

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

Gm Test = 5300 and 5300 micromhos
Minimum pass/good = 2800

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