Radios antiguas y Radios de Colección
P27_Arcturus
País:
Estados Unidos
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Idéntica a |
P27_Arcturus
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Base |
SPECIAL TUBEBASE in general
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Filamento |
--/-- |
Descripción |
lenticular glass bulb, pin-and-wire connections. Caesium compound active surface.
Adverised in 1931 for operation into 500 to 1000 ohms impedances, for talking movies.
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Dimensiones (Alt,Ancho,Prof.) incl.pins/tip |
x x 53 mm / x x 2.09 inch |
Literatura |
- - Manufacturers Literature Electronics advertisement May 1931.
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