Radios antiguas y Radios de Colección
416_Prototype
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| Tipo: |
Triode, vacuum |
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Ca. 1925 up to 1945 no serial production. For
instance only development samples. ***** |
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| Idéntica a |
416_Prototype
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filamento |
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| Descripción |
No info available for this experimental UHF tube. It looks to be a planar triode, the octal base just used for the heater. The intermediate ring, believed to be connected to the grid, recalls the grid ring of WE 416A to D series. The threaded top hole suggests the presence of a screw-on radiator. Probably a low to medium power trasmitting tube for frequencies in the order of some gigahertz.
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Just Qvigstad
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