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DG_Mullard

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ID = 28512
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Space Charge Tetrode 
Identical to DG_Mullard
Similar Tubes
Heater different:
  DEDG
First year 1924 Saga of the Vacuumtube, Tyne Seite 378
First Source (s)
1924 : British Radio Valves - The Vintage Years, Thrower p.65

Base Europe 4-Pin (A, 4A, B4, since 1914) Sidecontact
Filament Vf 3.8 Volts / If 0.65 Ampere / Direct / Battery =
Description Inner grid lead brought out to the metal shell. 
 
dg_mullard_spec.png
DG_Mullard: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector


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