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DSB

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ID = 2485
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to DSB
First year 1932 The Saga of Marconi Osram Valve
Predecessor Tubes DS  

Base Europe 5-Pin (O5A, B5) Top contact screw type
Filament Vf 16 Volts / If 0.25 Ampere / Indirect / Series, DC /
Description Gm=3.2mA/V at Va=200(max), Vs=80(max) 
Literature - - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49   

 
dsc_0397.jpg
DSB: Ma propre collection , héritage ON4FD
Etienne Flemal

 
dsb_spec.png
DSB: Marconi Advertisement
Anonymous 15 Collector


Usage in Models 34= 1932 ; 2= 1933? ; 12= 1933 ; 1= 1934?? ; 2= 1934? ; 9= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):60


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