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EDD11

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ID = 576
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Double Triode   Power/Output 
Identical to EDD11
Similar Tubes
Other characteristic (electr. data):
  EDD111
Other base:
  EDD11_Prototyp
First year Jul.1938 Tube leaflet collection E.Erb Analysis by original leaflets (V7)
First Source (s)
15.Feb.1938 : Funk 1938 #4
Predecessor Tubes EDD11_Prototyp  

Base German Steel Y8A, 1938 (Codex=R)
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Parallel, (AC/DC)
Description Car radio class-B push-pull twin output triode.
The EDD11 achieves at low heater power and only 7 mA zero- signal plate-current and 40 mA at max-signal a comparatively high output power of 5.5 watts.
Requires -6,3V bias and 0.1 W input power from the driver tube EBC11.
At its time it was the sole twin triode in Germany, hence it was also used for other purposes, e.g. as AF preamp. 
Text in other languages (may differ)
Tube prices 9 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  umgebungsschaltbild_edd1.png
  EDD11: Röhrenkartei Drenkelfort
Peter Hoddow
 
edd11_tfr.jpg
EDD11: collection JR
Jacob Roschy

 
52.png
EDD11: Telefunken Werkstattbuch
Wolfgang Bauer

 
edd11_data1.png
EDD11: Telefunken 1938
Robert Schmalstieg


Usage in Models 2= 1938? ; 5= 1938 ; 5= 1939 ; 1= 1940?? ; 2= 1940? ; 1= 1941?? ; 1= 1941? ; 4= 1941 ; 19= 1942?? ; 1= 1942? ; 4= 1942 ; 1= 1943? ; 2= 1943 ; 2= 1944 ; 1= 1945?? ; 1= 1945 ; 2= 1946? ; 1= 1947?? ; 3= 1948?? ; 2= 1948 ; 2= 1949? ; 5= 1949 ; 3= 1950?? ; 1= 1950? ; 4= 1950 ; 1= 1951?? ; 2= 1951 ; 3= 1952 ; 2= 1953? ; 1= 1956?? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):85



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