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258_annaka

Información - Ayuda 
ID = 76104
       
País:
Japon
Marca: Annaka Electric Co.; - from 1931 called Anritsu.
Diseñador: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tipo:  Triode, vacuum   Audio Frequency 
Idéntica a 258_annaka = UV201A = C301A

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Usada en Radio/TV-reception etc.
Filamento Vf 5 Volt / If 0.25 Ampere / Direct / Battery =
Descripción Unable to be confirmed buy it is understood that this tube is an equivalent to the UV201A. Tube is in the University of Electrical Communication in Tokyo. 
Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip
x x 45 mm / x x 1.77 inch
Literatura -- Collector info (Sammler)   

uv_triode_tube~~32.png 258_annaka: Fin Stewart
Fin Stewart


Just Qvigstad
 
annaka_258_201a_uecm.jpg

 

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