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FE2_Louden

Información - Ayuda 
ID = 28563
       
País:
Gran Bretaña (GB)
Marca: Louden Valve (Brand), Fellows Magneto Co. Ltd.; London
Diseñador: Louden Valve (Brand), Fellows Magneto Co. Ltd.; London 
Tipo:  Triode, vacuum   RF/IF-Stage 
Idéntica a FE2_Louden
Primera serie 1925 ?? Saga of the Vacuum Tube, Tyne page 392

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Usada en Radio/TV-reception etc.
Filamento Vf 5 Volt / If 0.4 Ampere / Direct / Battery =
Descripción

Thrower calls it F2 and has data for it. Either Tyne or Thrower may be in error.
Louden valves were marketet by Fellows Magneto Co. Ltd. in 1924 and 1925. Some Louden designations used were FE1 and FE2 for bright emitters; FER1, FER2 and 0.06 designated dull emitters having thoriated filaments.

 
Literatura Saga of the Vacuum Tube, Tyne   page 392
Radios von gestern, 4. Auflage   Seite 217
British Radio Valves - The Vintage Years: 1904-1925

b4_base_pins~~4.png FE2_Louden: Fin Stewart
Fin Stewart


Just Qvigstad
 

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