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K70B

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ID = 11277
       
Country:
Great Britain (UK)
Brand: Ever Ready Co. (GB) Ltd.; London
Tube type:  Vacuum Pentode   Power/Output 
Identical to K70B = PM22A

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere
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

s_3_g_7.gif K70B: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


Just Qvigstad
Usage in Models 2= 1935? ; 3= 1935 ; 2= 1936? ; 3= 1936 ; 2= 1937? ; 9= 1937 ; 10= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):31

Collection of

 
everready_k70bbild1.jpg

K70B
 

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