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1D7G

Information - Help 
ID = 4137
       
Country:
United States of America (USA)
Brand:
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old)   Controlling (mu) 
Identical to 1D7G = 1D7 = CV765
Similar Tubes
Other base:
  1A6 ; 1A6E

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ut)
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
 
marconi_1d7g.jpg
1D7G: Meine Sammlung
Rudolf Osterkamp

 
413.png
1D7G: Telefunken Werkstattbuch
Wolfgang Bauer

 
1d7g_techdat01.png
1D7G: Sylvania Technical Manual
Peter Hoddow


from Just Qvigstad

Usage in Models 1= 1936?? ; 6= 1936 ; 4= 1937?? ; 1= 1937? ; 15= 1937 ; 5= 1938?? ; 2= 1938? ; 11= 1938 ; 1= 1939?? ; 1= 1939? ; 2= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):49


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