Antique radios, Old Time Radios

U50

ID = 3208

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 ; E805 ; 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? ; 15= 1937 ; 1= 1938? ; 35= 1938 ; 1= 1939?? ; 5= 1939? ; 32= 1939 ; 2= 1940?? ; 6= 1940 ; 6= 1941? ; 5= 1941 ; 3= 1942? ; 2= 1942 ; 5= 1945? ; 2= 1946? ; 18= 1946 ; 2= 1947?? ; 5= 1947? ; 14= 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):214

Collection of

Christian Schaufelberger (CH)

Venanzio Salvatorelli (I)

Collection of a member from D

U50

Forum contributions about this tube

U50

Threads: 1 | Posts: 1

Hits: 2937 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

U50
End of forum contributions about this tube

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