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EF13

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ID = 2103
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to EF13
Similar Tubes
Other base and other heater:
  UF173
Multiple differences or of other kind:
  EF8
First year Jul.1938 Tube leaflet collection E.Erb Analysis by original leaflets (V7)
First Source (s)
15.Jul.1938 : Funk 1938 #14
Successor Tubes EF173  

Base German Steel Y8A, 1938 (Codex=R)
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Description Low noise HF- preamp tube 
Text in other languages (may differ)
Tube prices 14 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

ef13.png
EF13: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

54.png EF13: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
ef13_data01.png
EF13: Telefunken 1939
Robert Schmalstieg

More ...
Usage in Models 1= 1938?? ; 1= 1938? ; 16= 1938 ; 5= 1939? ; 37= 1939 ; 2= 1940?? ; 4= 1940? ; 14= 1940 ; 1= 1941?? ; 1= 1941? ; 17= 1941 ; 17= 1942?? ; 10= 1942 ; 1= 1943?? ; 1= 1943? ; 4= 1943 ; 1= 1944 ; 2= 1945 ; 1= 1946? ; 4= 1946 ; 2= 1947? ; 5= 1947 ; 3= 1948?? ; 3= 1948? ; 9= 1948 ; 5= 1949? ; 30= 1949 ; 1= 1950?? ; 3= 1950? ; 23= 1950 ; 2= 1951? ; 10= 1951 ; 4= 1952? ; 2= 1952 ; 1= 1953?? ; 2= 1953 ; 2= 1954? ; 1= 1955?? ; 2= 1955 ; 1= 1956

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):251


Collection of

 
ef13_4.jpg

EF13
 

Variants

Glasversion der DDR mit horizontalem Aufbau


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