(8) GE VT-4-C 211 Used Vacuum Tubes The following tests have been made. Filaments have been lit and current draw noted. Grids have been biased at -60 volts and plates have been energized at 1,000 volts.
Plate currents;
tube #1 50ma,
tube #2 47ma,
tube #3 60ma, sold
tube #4 65ma, sold
tube #5 57 ma, sold
tube #6 40ma,
tube #7 56ma
tube #8 58ma. Sold
These tubes are located in the United States. . Please note shipping over seas can be expensive. I do not have original boxes
$125 each +shipping
Plate currents;
tube #1 50ma,
tube #2 47ma,
tube #3 60ma, sold
tube #4 65ma, sold
tube #5 57 ma, sold
tube #6 40ma,
tube #7 56ma
tube #8 58ma. Sold
These tubes are located in the United States. . Please note shipping over seas can be expensive. I do not have original boxes
$125 each +shipping
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zip Code 37725. Tubes grids were biased with -60 volts with respect to a Center tap ac transformer . Then 1000 volts ( scary stuff ) with a series connected amp meter to the plate. I then put them on my bench supply and tested for filament current draw.
Tubes grids were biased with -60 volts with respect to a Center tap ac transformer . Then 1000 volts ( scary stuff ) with a series connected amp meter to the plate. I then put them on my bench supply and tested for filament current draw.
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