Description: Pair GE (Dumont Label) 7581A KT66 6L6CC Tubes Side Getters Hickok Tested strong NOS NIB. Tested per user manual procedures on recently calibrated Hickok 6000A. Test results will vary between tester models. Passed all tests: Filament Continuity Test: Passed Shorts Test: Passed Quality Test: Passed Mutual Conductance Test: 6750 & 7000 / 6000 (NOS MINIMUM) Gas (Grid Current) Test: Passed Life Test: Passed Confirmed mutual conductance on Hickok 800a tester. Also tested in THD Bi Valve Guitar amp for performance (71.4ma and 83.8ma) and sound at 450 operating voltage. Will combine shipping.
Price: 249.99 USD
Location: Utica, Michigan
End Time: 2025-02-10T22:08:08.000Z
Shipping Cost: 8.5 USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: GE
Type: Power Tubes
Model: 7581A
MPN: KT66
Country/Region of Manufacture: United States