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D63

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ID = 3155
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Double Diode   Detector 
Identical to D63 = ARDD3 = VT194_GPO = 6H6G
Similar Tubes
Other class quality (otherwise equal):
  CV1929
First year 1937 Ann. July 1937 (Wireless World), is in 1937 models
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description

Ia<2mA per diode, Va <100. Separate cathodes.

The D63 appears not to have been generally released until 1938. It was announced in July 1937 (Wireless World) and was used in several 1937 receivers. Vyse and Jessop (The Saga of Marconi Osram Valve) give a1938 date.

 
Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49   
601_2.png D63: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad 		d63_1.png
D63: own collection
Peter den Boer
More ...
Usage in Models 11= 1937 ; 1= 1938? ; 5= 1938 ; 1= 1939? ; 8= 1939 ; 1= 1945?? ; 1= 1948 ; 1= 1953? ; 1= 1964
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):30

Collection of

Roy Johnson (GB)
Tor Steinnes (N)
João-Afonso Santos (P)
Martin Steyer (D)
 
d43_a.jpg

D63
 
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