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M704

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ID = 11354
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Developer: Radio-Record - Röhrenmarke; Holland 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to M704
Similar Tubes
Normally replaceable-slightly different:
  C453 ; PM24A ; PP430 ; RES374 ; W506

Base Europe 5-Pin (O5A, B5) (Codex=Foo)
Filament Vf 4 Volts / If 0.3 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
50 x 114 x 34 mm / 1.97 x 4.49 x 1.34 inch
Weight 48 g / 1.69 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   
 
m704.jpg
M704: eigenes Exemplar
Joachim Glüder

 
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M704
Peter den Boer

 
m704data.png
M704: own collection
Peter den Boer



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