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UCH11 Country:  Europe      Brand:  Common type Europe    Developer:  Telefunken Deutschland (TFK)    Tube type:  Triode-Hexode   Frequency converter   Controlling (mu)  Tube ID = 254 previous  |  next Identical to UCH11 Similar Tubes Other shape (e.g. bulb type):  UCH11g Heater different:  VCH11 Other base:  UCH171 Multiple differences or of other kind:  UCH11E First Series   Jul.1939 Tube leaflet collection E.Erb Analysis by original leaflets (V7, T8) First Source (s) 23.Jul.1939 : Funkschau (FS) 1939 #30 1939 : TR3916-145 Predecessor Tubes CK1   CCH1   Successor Tubes 1948 UCH42   UCH41   UCH171   Base German Steel Y8A, 1938 (Codex=Rh) Was used by Radio/TV-reception etc. Filament Vf 20 Volts / If: 0.1 Ampere / -: Indirect / -: Series, AC/DC / Tube prices 1 Tube prices (visible for members only) Literature Taschenbuch zum Röhren-Codex 1948/49        Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

P.ST Peter Steffen   Variants Telefunken Werkstattbuch Wolfgang Bauer   Lorenz Empfänger - Röhren Michael Sigmund

Usage in Models (calculation each 25th of the month)   8= 1939? ; 40= 1939 ; 2= 1940?? ; 13= 1940? ; 30= 1940 ; 1= 1941? ; 36= 1941 ; 2= 1942? ; 24= 1942 ; 5= 1943? ; 3= 1943 ; 1= 1944?? ; 1= 1944? ; 4= 1944 ; 1= 1945?? ; 4= 1945 ; 1= 1946?? ; 13= 1946 ; 1= 1947?? ; 1= 1947? ; 56= 1947 ; 6= 1948? ; 71= 1948 ; 2= 1949?? ; 6= 1949? ; 113= 1949 ; 1= 1950?? ; 4= 1950? ; 93= 1950 ; 3= 1951? ; 19= 1951 ; 2= 1952?? ; 1= 1952? ; 9= 1952 ; 1= 1953? ; 15= 1953 ; Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   606

Variants
Collection JR Jacob Roschy	UCH11~Telefunken-glass UCH11 glass version by Telefunken after 1945 with vertical electrode structure w/out suffix G in the designation 27.Feb.2009 Jacob Roschy
	UCH11*DDR-glass UCH11 glass version of the former GDR (German Democratic Republic) w/ horizontal structure 27.Feb.2009 Jacob Roschy	r.hopfe Reinhard Hopfe

No further Information for UCH11

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