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4001_AB

Información - Ayuda 
ID = 69662
       
País:
Gran Bretaña (GB)
Marca: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Diseñador: Western Electric Company Inc.; New York (NY) 
Tipo:  Triode, vacuum   Audio Frequency 
  <1925 very rare
Idéntica a 4001_AB
Válvulas similares
Other base and data slightly different:
  215A ; 4215A
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Usada en Radio/TV-reception etc.
Filamento Vf 1 Volt / If 0.25 Ampere / Direct / Battery =
Descripción

This tube is a 4001 A tube but with a European B4 base. The tube itself was designed by the Western Electric Company, with the "peanut base.

 
Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip		 x 95 x 28 mm / x 3.74 x 1.10 inch
Literatura - - Manufacturers Literature   1937 data sheet

Just Qvigstad
 
[rmxtube-en]
  
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