Catalogue de radios anciennes
HK255X
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Pays:
Etats-Unis
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| Identique à |
HK255X
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| Culot |
Autre combinaison de connexion.
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| Chauffage |
Vf 14 Volt / If 30 Ampère / Direct / Specified voltage AC/DC |
| Description |
Pa = 500W
This gridless GAMMATRON was developed so as not to infringe with the Lee de Forest patent (owner RCA) on the control grid. Instead, the plate close to the filament has influence on the electron flow towards the other plate (anode).
With additional SCREEN GRID !
Texte dans d'autres
langues (peut différer)
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| Bibliographie |
The AWA Journal volume 10
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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