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258_annaka

Information - Help 
ID = 76104
       
Country:
Japan
Brand: Annaka Electric Co.; - from 1931 called Anritsu.
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 258_annaka = UV201A = C301A

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Description 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. 
Dimensions (WHD)
incl. pins / tip
x x 45 mm / x x 1.77 inch
Literature -- Collector info (Sammler)   
 
annaka_258_201a_uecm.jpg
258_annaka: UEC Museum Tokyo Japan
Fin Stewart

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

 

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