Sylvania 12ax7 Ecc83 Short Grey D-getter Vacuum Tube 1170|950 Umhos
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Sylvania 12ax7 Ecc83 Short Grey D-getter Vacuum Tube 1170|950 Umhos:
Sylvania 12AX7 ECC83 Short Grey D-Getter Vacuum
**** 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 = 1600|1600 µmhos
Industry Bogey plate current = 1.2|1.2mA
Results =1170|950µmhos ~ .9|.75mA
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