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B635

Information - Help 
ID = 49099
       
Country:
Netherlands
Brand: Mars; Arnhem
Developer: Mars; Arnhem 
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to B635

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 3.5 Volts / If 0.06 Ampere / Direct / Battery =
Description Amplification=9, slope=0.4 mA/V. internal resistance=36.000 
Dimensions (WHD)
incl. pins / tip
40 x 95 x 31 mm / 1.57 x 3.74 x 1.22 inch
Weight 35 g / 1.23 oz
Information source Radio-Expres, Netherlands   18-6-1926
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marsb635small.jpg
B635: own collection
Peter den Boer

 
3_b4~~1.png
B635: own collection
Peter den Boer

 

from Just Qvigstad


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