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K30B

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ID = 14364
       
Country:
Great Britain (UK)
Brand: Ever Ready Co. (GB) Ltd.; London
Tube type:  Triode, vacuum   Audio Frequency 
Identical to K30B = 210LF

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 1.7 Volts / If 0.06 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

k30b_sock.png K30B: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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