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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= 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 ; 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):237 Collection of Christian Schaufelberger (CH) Venanzio Salvatorelli (I) Giorgio Busletta (I) Benedetto Pirani (I) Willy De Grande (B) Georges Werts (B) Frank Cuffe (IRL) Ernst Rykkje (N) Harald Giese (D) Collection of a member from D

U50

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Hits: 3489     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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