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(1) Tested Emerson 12AV6 Tube Code 57-09 RCA EIA Twin Diode High Mu Triode Tube

(1) Tested Emerson 12AV6 Tube Code 57-09 RCA EIA Twin Diode High Mu Triode Tube

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(1) Tested Emerson 12AV6 Tube.
Date Code 57-09.
The 274 EIA code indicates that this tube was made by RCA for Emerson.

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

Test Result = 1100 micromhos
Minimum pass/good = 790
Each diode section tests at 1325-1250 where 800-800 is minimum pass/good.

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