Description
Matched Pair 12V6GT (CONN LABEL) RCA radio audio Amp vacuum tubes NOS HICKOK TESTED grey plates same date codes Tested per user manual procedures on recently calibrated Hickok 6000A. Test results will vary between testers. Passed all tests: Filament Continuity Test: Passed Shorts Test: Passed Quality Test: Passed Mutual Conductance Test: 5200 & 5200 / 4100 (NOS MINIMUM) Gas (Grid Current) Test: Passed Life Test: Passed I recommend all vintage tube pins to be cleaned before usage for best performance Will combine shipping.