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W704

Information - Help 
ID = 16604
       
Country:
Netherlands
Brand: Longlife, the Hague
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to W704
Similar Tubes
Normally replaceable-slightly different:
  25-450 ; F704
Production stop Feb.1938

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct / Parallel, (AC/DC)
Description The "Röhren-codex" lists this tube as a Thermion tube, but the brand is Longlife. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   Sept. 1935
 
f704_so~~1.png
W704: rtt
Michael Schlör

 

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