Antique radios, Old Time Radios

DW2_Mullard

Country:	Great Britain (UK)	Brand:	Mullard Radio Valve Co. Ltd.;
		Developer:	Mullard Radio Valve Co. Ltd.;
		Tube type:	Full-Wave Vacuum Rectifier Power-supply

Tube ID = 19392

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Identical to	DW2_Mullard = 1821

Base	Europe 4-Pin (A, 4A, B4, since 1914)
Filament	Vf 4 Volts / If: 1 Ampere / -: Direct /
Description	Mazda in France produced also a DW2 - but that is a tetrode! Input <250v rms per anode. Maximum mean rectified current 60mA at 250v. (Mullard 1935 Data book.) Price 12/6 - approx 1 Euro in 1935. Text in other languages (may differ)
Literature	-- Original-techn. papers.

DW2_Mullard: RFJ
Roy Johnson

DW2_Mullard: Telefunken Werkstattbuch
Wolfgang Bauer

DW2_Mullard: Mullard Valves 1936
Peter Hoddow

Usage in Models	1= 1930 ; 1= 1931 ; 1= 1932? ; 4= 1933? ; 4= 1934? ; 6= 1936 ; 1= 1937
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 18

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