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VMS4 Country:  Great Britain (UK)      Brand:  Marconi-Osram - (Valves/Tubes); GB    Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu)  Tube ID = 2594 previous  |  next Identical to VMS4 = RENS1214 = E445 = LAS317 = H4125D Similar Tubes Other shape (e.g. bulb type):  VMS4_Catkin Base Europe 5-Pin (O5A, B5) (Codex=Fc) Top contact screw type Was used by Radio/TV-reception etc. Filament Vf 4 Volts / If: 1.1 Ampere / -: Indirect / -: Parallel, (AC/DC) / Description The valve has been made with and without metallic shield incorporated (Catkin).  Literature Taschenbuch zum Röhren-Codex 1948/49        "Trader" Service Sheet 518 Georg Richter

GR Georg Richter   Telefunken Werkstattbuch Wolfgang Bauer   osram wireless guide 1931 Giuseppe Antonio Tusini

Usage in Models (calculation each 25th of the month)   1= 1931 ; 8= 1932 ; 4= 1933? ; 9= 1933 ; 3= 1934?? ; 1= 1934? ; 5= 1934 ; 2= 1935 ; 1= 1936? ; 1= 1937? ; 1= 1938 ; 1= 1940?? ; 9= 1945? ; Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   46

No further Information for VMS4

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