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B_Wecovalve

Information - Help 
ID = 82568
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Audio Frequency 
Identical to B_Wecovalve
Similar Tubes
Other base:
  A_Wecovalve
Other base and data slightly different:
  215A

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 0.8 Volts / If 0.25 Ampere / Direct / Battery =
Information source British Radio Valves - The Vintage Years, Thrower   Page 118
 
b4_base_pins~~98.png
B_Wecovalve: Fin Stewart
Fin Stewart

 

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