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DW302

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ID = 15786
       
Country:
Great Britain (UK)
Brand:
Tube type:  Triode, vacuum   Power/Output 
Identical to DW302
Similar Tubes
Normally replaceable-slightly different:
  B425

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.3 Ampere
Information source L'ABCDaire des lampes de TSF des jeunes années   p. 41a
British Radio Valves - The Classic Years: 1926-1946   Supplement p. 35
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49


Just Qvigstad
Usage in Models 2= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
 
dw302mazdaph10s.jpg

DW302
 

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