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VMS4

Information - Help 
ID = 2594
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to VMS4 = NR38 = RENS1214 = E445 = LAS317 = H4125D
Similar Tubes
Other shape (e.g. bulb type):
  VMS4K ; VMS4_Catkin
Normally replaceable-slightly different:
  AC/VS ; CV1165 ; E409_MOV ; S4150C

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Specified voltage AC/DC
Description

The valve has been made with and without metallic shield incorporated (Catkin).

 
Information source The Saga of Marconi Osram Valve   p. 28, 140, 149, 152 & 334
History of the British Radio Valve to 1940   148 & 193
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

vms4_262.gif
VMS4: "Trader" Service Sheet 518
Georg Richter

9_39.png VMS4: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
v.ms4_osram.png
VMS4: osram wireless guide 1931
Giuseppe Antonio Tusini

More ...
Usage in Models 1= 1932? ; 19= 1932 ; 2= 1933? ; 21= 1933 ; 2= 1934? ; 11= 1934 ; 2= 1935? ; 10= 1935 ; 1= 1936? ; 3= 1936 ; 1= 1937? ; 2= 1937 ; 1= 1938 ; 3= 1945?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):79

Collection of

 
vms4_marconi_bild2.jpg

VMS4
 

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