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VDSB

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ID = 2590
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Screen-grid Tetrode   Audio Frequency   Controlling (mu) 
Identical to VDSB
First year 1933 The Saga of Marconi Osram Valve
First Source (s)
1933 : History of the British Radio Valve to 1940 p. 174
Predecessor Tubes VDS  

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 16 Volts / If 0.25 Ampere / Indirect / Specified current DC = (Series working)
Information source - - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49   

9_10~~7.png VDSB: Fin Stewart
Fin Stewart


Just Qvigstad
vdsb_spec.png
VDSB: Marconi Advertisement
Anonymous 15 Collector

Usage in Models 1= 1933? ; 1= 1933 ; 2= 1934? ; 3= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of

 
vdsb_1.jpg

VDSB
 

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