Radios antiguas y Radios de Colección
Plation
País:
Alemania
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Idéntica a |
Plation
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Válvulas similares |
Substituya normalmente -diferencia peq.:
P1AV9
Otra base:
PLAV9A
; PLAV9D
; PLAV9H
; PLAV9S
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Fuente principal
(es) |
1924 : - - Manufacturers Literature Huth Hausschrift Die Antenne 3 (1924) H. 1, S. 5-7
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Filamento |
Vf 1.25 Volt / If 0.08 Ampere / Direct / Battery = |
Descripción |
Plation is just a brand name for the tubes PLAV9H, PLAV9S, PLAV9D and PLAV9A, not an other tube of this family. These gridless triodes were 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).
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