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SM350

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ID = 14813
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to SM350
Similar Tubes
Normally replaceable-slightly different:
  HR406 ; RE034s

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.065 Ampere / Direct / Specified current DC = (Series working)
Description LF amplification, resister coupling. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

h_21.png SM350
Peter den Boer


Just Qvigstad
sm350.png
SM350: own collection
Peter den Boer

 

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