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GW402

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ID = 15875
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to GW402
Similar Tubes
Normally replaceable-slightly different:
  F704

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 7.5 Volts / If 1.2 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   


Just Qvigstad

Collection of

 
gw_402.jpg

 

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