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ID = 2595
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to VMS4B

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC

In the Rohren-Codex for 1950, the heater current is wrongly indicated as 1.1 A instead of 1 A.

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

13_21.png VMS4B: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
VMS4B: Marconi Advertisement
Anonymous 15 Collector

Usage in Models 2= 1932 ; 1= 1933? ; 2= 1933 ; 1= 1934? ; 16= 1934 ; 7= 1935 ; 9= 1936

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):38

Collection of



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