radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

DG4

Information - Help 
ID = 7725
       
Country:
Hungary
Brand: Sator (brand of Tungsram for tubes)
Tube type:  Dual-Grid Tetrode   Frequency converter 
  Ca. 1925 up to 1945 rare.
Identical to DG4 = DG407/0
Similar Tubes
Normally replaceable-slightly different:
  A441 ; D410 ; RE074d

Base French Bigrille 5 pin (D) (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Battery =
Description

The same tube is also branded Orion.

 

bigrille_5p~~1.gif DG4: W.H.
Wolfgang Holtmann

dg4data_1.png
DG4: own collection
Peter den Boer

More ...

Collection of

 
dg4_orion_p21_s.jpg

DG4
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information