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7D6

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ID = 9533
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Vacuum Pentode   Power/Output 
Identical to 7D6
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)
Base British-7-Pin, old (M7A) (Codex=N)
Was used by Radio/TV-reception etc.
Filament Vf 40 Volts / If 0.2 Ampere
Information source History of the British Radio Valve to 1940   p. 1444 & 189
Babani, International Radio Tube Encyclopaedia   p. 16 & 17
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
551_3.png 7D6: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad 		7a3_7d6_7d8_brimar_radio_valves_1936_p1_data1~~1.png
7D6: Brimar Radio Valves 1936
Adrian Riesen
More ...
Usage in Models 2= 1935? ; 1= 1935 ; 2= 1936? ; 1= 1936 ; 8= 1937 ; 1= 1938 ; 3= 1939 ; 2= 1940
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20
 
7d6.jpg

 
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