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DF1

Information - Help 
ID = 3818
       
Country:
Europe
Brand:
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to DF1
Similar Tubes
Other base:
  1N5

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Sup)
Filament Vf 1.4 Volts / If 0.05 Ampere
Description GB: (Traders Service sheet 450) 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
df1_2.jpg
DF1: KoBi
Konrad Birkner † 12.08.2014

 
df1.png
DF1: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

 

Usage in Models 17= 1939 ; 5= 1940

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):22


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