Radio Antica e Radio d'epoca
HK255X
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
HK255X
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| Zoccolo |
Other combinations of connections.
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| Filamento |
Vf 14 Volt / If 30 Ampere / Direct / Specified voltage AC/DC |
| Descrizione |
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 !
Testo in altre lingue
(può variare)
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| Bibliografia |
The AWA Journal volume 10
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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