| General Electric KR-9 Rectifier Tube | |
| Written by AnubisTTP on 2007-06-18 |
|
The KR-9 is a powerful high voltage rectifier used in x-ray machines and similar devices. The tube is contained in a very unusual frosted glass envelope with a large bare metal dome and anode cap. The dome terminates in a threaded connector for secure connection of the anode wire. Some versions of this tube replace the bare metal dome with a black metal shield which extends down to the first rib on the glass envelope. The tube is quite large: length is 7" and the tube has a diameter of 3" at its widest point.
General Electric KR-9 high voltage rectifier tube.
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