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SM400

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ID = 16391
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Developer: Radio-Record - Röhrenmarke; Holland 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to SM400 = PM4X
Similar Tubes
Normally replaceable-slightly different:
  RE114s

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Series, DC
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
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SM400
Peter den Boer

 
sm400.png
SM400: own collection
Peter den Boer


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