radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

U12

Information - Help 
ID = 3071
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to U12 = FW

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 2.5 Ampere / Direct
Description Va <350V rms. Ia <120mA mean. (0.7EUR in 1938) 
Literature - - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49   
  u12_in262.gif
  U12: "Trader" Service Sheet 518
Georg Richter
 
u12001.jpg
U12: Sammlung GJ
Anonymous 544 Collector

 
u12_so.png
U12: rtt
Michael Schlör

 
u.12_osram.png
U12: osram wireless guide 1931
Giuseppe Antonio Tusini


Usage in Models 3= 1931 ; 1= 1932? ; 12= 1932 ; 4= 1933? ; 24= 1933 ; 1= 1934?? ; 2= 1934? ; 23= 1934 ; 1= 1935? ; 26= 1935 ; 1= 1936? ; 47= 1936 ; 1= 1937? ; 17= 1937 ; 2= 1938 ; 5= 1945? ; 1= 1946??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):171


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg