(1) Tested Delco 6K6GT Tube.
Date Code 248.
The 274 EIA code indicates that this tube was made by RCA for Delco.

This 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 = 1750 micromhos
Minimum pass/good = 1000
NOS Target Value = 1500

~ Please view all 3 photos ~
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