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DC11

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ID = 614
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to DC11
First year 1940 -- Collector info (Sammler)
First Source (s)
May.1940 : Funkschau 1940 #4

Base German Steel Y8A, 1938 (Codex=Rx)
Filament Vf 1.2 Volts / If 0.02 Ampere / Direct / Battery =
Tube prices 2 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  dc11.png
  DC11: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
t05g_01_dc11.jpg
DC11: Own collection
Valery Gromov

 
175.png
DC11: Telefunken Werkstattbuch
Wolfgang Bauer

 
dc11_data1.png
DC11: Telefunken 1941
Robert Schmalstieg


Usage in Models 1= 1939 ; 1= 1940? ; 8= 1940 ; 10= 1941

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20


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