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A11D

Information - Help 
ID = 7572
       
Country:
Great Britain (UK)
Brand: Ever Ready Co. (GB) Ltd.; London
Tube type:  High-vacuum Rectifier 
Identical to A11D

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 2 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
everr_a11d.jpg
A11D: RFJ
Roy Johnson

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

 

from 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


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