RCA JRC 12AU7 ECC82 Black Plates Vacuum Tube 1730/1960 µmhos ~ 8.5/13.1 mA
$ 11.62
Description
RCA JRC 12AU7 ECC82 Black Plates Vacuum Tube ***** Tested on our proprietary tester , the E3444 Triplett/Westmore 501 : It's a Triplett 3444 / Westmore 501 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 Falls Church , Virginia. ***** ********************************************************************* Industry Bogey transconductance = 2200/2200 µ mhos & Industry Bogey plate current = 10.0/10.0 mA Results = 1730/1960 µ mhos ~ 8.5/13.1 mA No- Limit Combined USA Shipping $6 ~ Higher Overseas I have many other types of tubes ~ Please search my store (click the red door) by brand , type , and construction 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 207
