1952 Tung Sol 5687 Big D-Getter Vacuum Tube Strong & Balanced Results= 5200/4800

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1952 Tung Sol 5687 Big D-Getter Vacuum Tube Strong & Balanced Results= 5200/4800:
$33.99

1952 Tung Sol 5687 Big D-Getter Vacuum Tube Strong & class=\"p1\">***** 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 = 5400/5400 µmhos

Industry Bogey plate current = 12.0/12.0mA

Results = 5200/4800 µmhos ~ 14.1/11.0mA

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