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FE2_Louden

Information - Aide 
ID = 28563
       
Pays:
Royaume Uni
Fabricant: Louden Valve (Brand), Fellows Magneto Co. Ltd.; London
Concepteur: Louden Valve (Brand), Fellows Magneto Co. Ltd.; London 
Type:  Triode, vacuum   RF/IF-Stage 
Identique à FE2_Louden
Première série 1925 ?? Saga of the Vacuum Tube, Tyne page 392

Culot Europe 4-Pin B4 (Eu A, E, 4A) 1914
Utilisé par Radio/TV-reception etc.
Chauffage Vf 5 Volt / If 0.4 Ampère / Direct / Battery =
Description

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.

 
Bibliographie 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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