Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 3155
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Double Diode   Detector 
Identical to D63 = 6H6G = ARDD3 = VT194_GPO
Similar Tubes
Other class quality (otherwise equal):
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

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   
D63: RFJ
Roy Johnson

More ...
D63: Telefunken Werkstattbuch
Wolfgang Bauer

More ...
D63: own collection
Peter den Boer

More ...

from Just Qvigstad

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 with this tube (valve, valves, valvola, valvole, válvula, lampe):28

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]