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DW702

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ID = 3670
       
Country:
Great Britain (UK)
Brand:
Tube type:  Triode, vacuum   Power/Output 
Identical to DW702
Similar Tubes
Normally replaceable-slightly different:
  D410_Philips ; MO6 ; P455 ; R80 ; RO4410
First Source (s)
Apr.1929 : L'Histoire Singulière du Tube Radio; G. Duperray 2009

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC
Description

Frankreich

 
Information source L'ABCDaire des lampes de TSF des jeunes années   p. 70a
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

1_225.png DW702: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1930

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
dw702_2.jpg

DW702
 

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