RCA JRC-12AU7 ECC82 Vacuum Tube Results= 1700/1780

Description

RCA JRC-12AU7 ECC82 Vacuum Tube
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***** 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  *****
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Industry Bogey Transconductance = 2200/2200  µmhos
Industry Bogey Plate Current = 10.0/10.0mA
Results = 1700/1780
µmhos
~  7.9/9.5mA
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