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680P

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ID = 82486
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Developer: Cossor, A.C.; London 
Tube type:  Triode, vacuum   Power/Output 
Identical to 680P
Similar Tubes
Other base:
  680P_UX

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.8 Ampere / Direct / Specified voltage AC/DC
Information source History of the British Radio Valve to 1940   Page 171

b4_base_pins~~38.png 680P: Fin Stewart
Fin Stewart


Just Qvigstad
 

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