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X25

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ID = 21525
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  HEPTODE   Frequency converter   Controlling (mu) 
Identical to X25 = DK96
First Source (s)
Jun.1958 : - - Manufacturers Literature

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 1.4 Volts / If 0.025 Ampere / Direct / Battery =
Literature Röhren-Taschen-Tabelle, (Franzis RTT)   
- - Manufacturers Literature   GEC Provisional data June 1958
 
x25.jpg
X25: FC
Frank Cuffe

 
mi21_g_4.gif
X25: RTT Schwandt
Günther Stabe

 

Usage in Models 1= 1957 ; 1= 1958? ; 1= 1958

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


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