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U50

Country: Great Britain (UK) Brand: MO Valve Co. Ltd.; GB Developer: MO Valve Co. Ltd.; GB  Tube type:  Full-Wave Vacuum Rectifier   Power-supply  Identical to U50 = CV1268 Similar Tubes Normally replaceable-slightly different:   5Y3G ; NU20_EN Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vy) Was used by Radio/TV-reception etc. Filament Vf 5 Volts / If 2 Ampere / Direct Description Va<350 rms. Ia<120mA mean. (0.7EUR in 1938) Used in the Gecophone "fan heater" radio, model 4740.   Dimensions (WHD) incl. pins / tip 44 x 120 x mm / 1.73 x 4.72 x inch Weight 44 g / 1.55 oz Information source - - Manufacturers Literature    The Saga of Marconi Osram Valve   p. 144, 323 & 343 Babani, International Radio Tube Encyclopaedia Taschenbuch zum Röhren-Codex 1948/49 U50: WDG-zusammengesetzte Zeichnung Willy De Grande U50: W.Sprick: Austausch-Röhren-Lexikon 1947 Günther Stabe † 19.8.20 Just Qvigstad U50: Manufacturer's Literature Emilio Ciardiello More ... Usage in Models 1= 1936?? ; 1= 1937?? ; 2= 1937? ; 16= 1937 ; 1= 1938? ; 40= 1938 ; 1= 1939?? ; 6= 1939? ; 33= 1939 ; 3= 1940?? ; 2= 1940? ; 13= 1940 ; 7= 1941? ; 7= 1941 ; 1= 1942?? ; 3= 1942? ; 3= 1942 ; 5= 1945? ; 2= 1946? ; 18= 1946 ; 2= 1947?? ; 5= 1947? ; 15= 1947 ; 1= 1948?? ; 1= 1948? ; 6= 1948 ; 2= 1949?? ; 12= 1949 ; 1= 1950?? ; 1= 1950? ; 12= 1950 ; 1= 1951? ; 3= 1951 ; 2= 1952? ; 1= 1953? ; 2= 1955? ; 2= 1955 ; 1= 1956? ; 3= 1956 ; 1= 1959? Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):239 Collection of Venanzio Salvatorelli (I) Harald Giese (D) Giorgio Busletta (I) Frank Cuffe (IRL) Collection of a member from D Christian Schaufelberger (CH) Willy De Grande (B) Benedetto Pirani (I) Georges Werts (B) Ernst Rykkje (N)

U50

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Hits: 3774     Replies: 0 U50 (U50)
Willy De Grande 06.Nov.05	1 U50 (U50)  Hello Admin, vom U50 :dia 44mm;H 120mm;gew 44gr . Grüssen, Willy De Grande

 

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