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A11D

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ID = 7572
       
Country:
Great Britain (UK)
Brand: Ever Ready Co. (GB) Ltd.; London
Tube type:  High-vacuum Rectifier   Power-supply 
Identical to A11D
Similar Tubes
Normally replaceable-slightly different:
  IW4/350 ; R2
Predecessor Tubes IW4/350   R2  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2 Ampere / Half indirect
Information source British Radio Valves - The Classic Years: 1926-1946   Supplement, p. 143
Babani, International Radio Tube Encyclopaedia   p. 280 & 281
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

s_377_g_2.gif A11D: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


Just Qvigstad
Usage in Models 6= 1936 ; 1= 1937? ; 14= 1937 ; 2= 1938? ; 14= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):37

Collection of

 
everr_a11d.jpg

A11D
 

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