RCA 12AT7 ECC81 Vacuum Tube Results= 4010/4585
$ 11.62
Description
RCA 12AT7 ECC81 Vacuum Tube ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ***** Tested on our proprietary tester , the E3444. It's a Triplett 3444 that has been enhanced. This tester uses regulated power sources for the bias, plate, & screen voltages, as well as modified operating & testing procedures. Filament voltage is also controlled. Tubes are tested in accordance with the manufacturer's specifications; measurements closely align with a laboratory tester built to rigorously measure vacuum tube characteristics. Tubes can be accurately matched for gm & plate current at the manufacturer's specified test points or at other specified test points. ***** This tester was prepared by Mr. Paul Hart of Roswell, GA ***** ********************************************************************* Industry Bogey Transconductance = 5500/5500 µmhos Industry Bogey Plate Current = 11/11mA Results = 4010/4585 µmhos ~ 6.7/8.7mA ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ USA Shipping $6 ~ Higher Overseas I have many other types of tubes ~ Just Search MY store No Additional Shipping Charges *** All tubes Guaranteed ♪♪♫♫♫♫ Thank You! ♫♫♫♫♪♪ ~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirl's Guaranteed VintageTubes 4J124
