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MS4B Info
Country:  Great Britain (UK)      Brand:  Marconi-Osram - (Valves/Tubes); GB 
  Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Tube ID = 2536
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Identical to MS4B

Base Europe 5-Pin (O5A, B5) (Codex=Fc)
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel, (AC/DC) / If: 1 Ampere / Vf 4 Volts /
Description Plain and metallised bulbs available. 
Literature - - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49   

gb_marconi_1933_ms4b.jpg
GR
Georg Richter

 
ms4b_osram.png
osram wireless guide 1931
Giuseppe Antonio Tusini

Usage in Models   1= 1929 ; 1= 1931 ; 1= 1932? ; 3= 1932 ; 3= 1933? ; 6= 1933 ; 1= 1934?? ; 4= 1934 ; 1= 1935?? ; 1= 1935 ; 2= 1938 ; 3= 1939 ; 1= 1940?? ; 6= 1945? ;
Number of Models with this tube   34
No further Information for

MS4B    

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