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MU14

Information - Help 
ID = 7997
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to MU14
Similar Tubes
Normally replaceable-slightly different:
  IFW1 ; MU12/14

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Em)
Filament Vf 4 Volts / If 2.5 Ampere / Half indirect
Description <500V rms; iav <120mA 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   
  mu14_app.png
  MU14: GEC's catalogue supplement
Anonymous 413 Collector
 
mu14_1.jpg
MU14: RFJ
Roy Johnson

 
s_377_g_5.gif
MU14: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
mu14_data.png
MU14: MARCONI RECEIVING VALVES, LONDON, 1938
Jose Casas-Avalos


from Just Qvigstad

Usage in Models 1= 1932? ; 2= 1932 ; 1= 1933 ; 1= 1934? ; 9= 1934 ; 1= 1935 ; 1= 1937 ; 3= 1949 ; 1= 1950

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20


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