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K30E

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ID = 14367
       
Country:
Great Britain (UK)
Brand: Ever Ready Co. (GB) Ltd.; London
Tube type:  Triode, vacuum   Audio Frequency 
Identical to K30E
Similar Tubes
Normally replaceable-slightly different:
  PM2DX

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.1 Ampere / Direct
Information source History of the British Radio Valve to 1940   p. 146
Babani, International Radio Tube Encyclopaedia   p. 112 & 113
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

b4_base_pins~~454.png K30E: Fin Stewart
Fin Stewart


Just Qvigstad
Usage in Models 1= 1935 ; 1= 1936? ; 1= 1936 ; 2= 1937? ; 1= 1937 ; 1= 1938?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of

 
k30e_1.jpg

K30E
 

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