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D_Mars

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ID = 72223
       
Country:
Czechoslovakia
Brand: Mars (tubes), Radioelektra; Praha
Tube type:  Triode, vacuum 
Identical to D_Mars

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3.3 Volts / If 0.68 Ampere / Direct / Battery =


Just Qvigstad
 
d_4.jpg

 

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