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U14

Information - Help 
ID = 3073
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to U14
Similar Tubes
Normally replaceable-slightly different:
  U12/14 ; V22 ; W10

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 2.5 Ampere / Direct
Description Va<500 rms. Ia <120mA mean (Price 0.7EUR in 1938) 
Tube prices 1 Tube prices (visible for members only)
Literature - - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49   
 
osram_u14.jpg
U14: U14
Frank Cuffe

 
u.14_osram.png
U14: osram wireless guide 1931
Giuseppe Antonio Tusini


Usage in Models 1= 1930 ; 2= 1932 ; 7= 1933 ; 1= 1934 ; 1= 1935 ; 1= 1936? ; 1= 1936 ; 5= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):19


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