o&t power

O&T Electric O-T-Power
DC Output Triode
1923


O&T claimed their tubes were made by DeForest but this was not true. They were sued by DeForest and not heard of again after early 1924. This output tube had a filament rating of .25-.35 amps at 5 volts.

point left Click the back button on your browser to return to the thumbnails