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PER1_4Volt

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ID = 80813
       
Country:
Great Britain (UK)
Brand: Louden Valve (Brand), Fellows Magneto Co. Ltd.; London
Developer: Louden Valve (Brand), Fellows Magneto Co. Ltd.; London 
Tube type:  Triode, vacuum   Power/Output 
Identical to PER1_4Volt
Similar Tubes
Heater different:
  PER1_6Volt

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Battery =
Description

For transformer-coupled stage

Louden valves were marketed by Fellows Magneto Co. Ltd. from 1924 to 1927.

 
Information source Wireless World (The), London (WW, 79)   13 April 1927
History of the British Radio Valve to 1940   p. 147
British Radio Valves - The Classic Years: 1926-1946

b4_base_pins~~12.png PER1_4Volt: Fin Stewart
Fin Stewart


Just Qvigstad

Collection of

 
screenshot_20211031_213734_gallery.jpg

 

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