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GG4

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ID = 7020
       
Country:
Austria
Brand: Eagle; Wien
Tube type:  Full-Wave Rectifier gas filled   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to GG4
Similar Tubes
Normally replaceable-slightly different:
  328 ; 451
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 1.8 Volts / If 2 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   Preisliste 1931
328_so~~4.png GG4: rtt
Anonymous 10 Collector

Just Qvigstad 		gelijkrichter_gas~~1.png
GG4: own collection
Peter den Boer
Usage in Models 1= 1929??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 
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