Radios antiguas y Radios de Colección
257_concertmaster
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País:
Estados Unidos
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| Idéntica a |
257_concertmaster
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| Base |
UY-Base, 5 Pins (USA, April 1927)
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| Usada en |
Radio/TV-reception etc. |
| Filamento |
Vf 5 Volt / If 0.3 Ampere / Direct / Specified voltage AC/DC |
| Descripción |
This tube was intended for use in the output stage of D. C. line operated receivers and was designed to give relatively high amplification and power output with low plate voltage (110) available for this type of service. National Union and Tung-Sol also made this tube.
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
x 135 x 52 mm / x 5.31 x 2.05 inch |
| Literatura |
-- Collector info (Sammler)
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257_concertmaster: Fin Stewart
Fin Stewart
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Just Qvigstad
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| Cumplimiento de datos |
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