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UM11

Information - Help 
ID = 272
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Mag. Eye, 2 ranges, 4 shadow angles   Indication 
Identical to UM11
Similar Tubes
Other base:
  UM35
First year 1940 -- Collector info (Sammler) (T7-42)
First Source (s)
1941 : TR4119-152
Predecessor Tubes UFM11   C/EM2  
Successor Tubes 1952   UM34   UM35  

Base German Steel Y8A, 1938 (Codex=R)
Was used by Radio/TV-reception etc.
Filament Vf 15 Volts / If 0.1 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Description

Ist die Röhre wirklich 1940 auf den Markt gekommen? Nach einigen Modellen zu urteilen ja ...

 
Tube prices 12 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

um11.png
UM11: Aus Schema-Eisenach-
Egon Strampe

um11_so.png UM11: rtt
Anonymous 10 Collector

More ...

Just Qvigstad
um11_spec.png
UM11: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

More ...
Usage in Models 1= 1939 ; 10= 1940? ; 7= 1940 ; 1= 1941?? ; 1= 1941? ; 11= 1941 ; 2= 1942? ; 3= 1942 ; 1= 1946 ; 1= 1947? ; 4= 1947 ; 1= 1948? ; 10= 1948 ; 3= 1949? ; 30= 1949 ; 7= 1950? ; 63= 1950 ; 5= 1951? ; 35= 1951 ; 2= 1952?? ; 8= 1952? ; 18= 1952 ; 1= 1953?? ; 1= 1953? ; 12= 1953 ; 6= 1954 ; 3= 1955 ; 1= 1956?? ; 2= 1957 ; 1= 1959??

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


Collection of

 
um11_a.jpg

UM11
 

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