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LV1_Philips

Information - Help 
ID = 37043
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Universal 
Identical to LV1_Philips

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Direct / Battery =
Description Ca. mid 1920s - but it seems to be a Tungsten tube: At 2.5 V = 1 A filament current, "shining like a lamp". Saturate anode current below 1 mA. 
 
img_3745a.jpg
LV1_Philips: My own photo
Josef Smitka

 

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