|Western Electric 416B Planar Triode Tube
|Written by AnubisTTP on 2008-09-23
The Western Electric 416B is a gold plated planar triode designed for high frequency transmitters. The 416B has an unusual package with a ring shaped threaded gold contact, which anchors the tube in place when installed. The evacuation nipple is made of metal and located in the bottom of the tube.
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Western Electric 416B planar triode.
This view of the underside of the tube shows its unusual base and print location.