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X14

Information - Help 
ID = 8717
       
Country:
Great Britain (UK)
Brand: Osram-Valves GB (not MO-Valves)
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old) 
Identical to X14 = 1A7G

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ut)
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Literature Taschenbuch zum Röhren-Codex 1948/49   
  x14.png
  X14
Egon Strampe
 
x14gecovalve.jpg
X14: G.V.
Gidi Verheijen

 
413_5.png
X14: Telefunken Werkstattbuch
Wolfgang Bauer

 

Usage in Models 3= 1940 ; 5= 1946

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8


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