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6442 planar high-µ triode for grounded-grid operation. 6.3V/900mA heater, 7.5W rating. This valve can generate a 2kW pulse at 3.5GHz and can be used as an oscillator up to 5GHz.

 

6442 size The valve measures 64x20mm overall.

Markings on the valve are
GE-JAN-6442
82-17
82-26
33173

.6442
6442 end view
View of one end of the valve.
6442 cap 6442 end view
View of the other end. A small insulated cap was fitted covering this end.

This file was last modified 15:37:39, Saturday November 12, 2011