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SGDG1

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ID = 49316
       
Country:
France
Brand: Unknown - CUSTOM BUILT: France (INCONNU)
Tube type:  Triode, vacuum 
  <1925 very rare. ***
Identical to SGDG1

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 5 Volts / Direct / Battery =
Description

Filament voltage 5 to 5,5, anode volts 600 max. There is no designation on the tube, so SGDG1 is only listed to distinguish it from other SGDG tubes.

Note: SGDG is an abbreviation for (Breveté or Bté) "Sans Garantie Du Gouvernement" = Patent granted without Examination.

 
Dimensions (WHD)
incl. pins / tip
60 x 123 x 32 mm / 2.36 x 4.84 x 1.26 inch
Weight 48 g / 1.69 oz


Just Qvigstad

Collection of

 
stesgdgsmall.jpg

SGDG1
 

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