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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

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Usage in Models 10= 1937 ; 1= 1938? ; 4= 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):28

Collection of

 
d43_a.jpg

D63
 

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