Antique radios, Old Time Radios

MU14

Country:	Great Britain (UK)		Brand:	Marconi-Osram - (Valves/Tubes); GB
			Tube type:	Full-Wave Vacuum Rectifier Power-supply

Tube ID = 7997

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Identical to	MU14
Similar Tubes	Normally replaceable-slightly different: IFW1; MU12/14

Base	Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Em)
Filament	Vf 4 Volts / If: 2.5 Ampere / -: Half indirect /
Description	<500V rms; iav <120mA
Literature	Taschenbuch zum Röhren-Codex 1948/49 Babani, International Radio Tube Encyclopaedia

MU14: ebay
Georg Richter

MU14: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

MU14: MARCONI RECEIVING VALVES, LONDON, 1938
Jose Casas-Avalos

Usage in Models	1= 1932? ; 2= 1932 ; 1= 1933? ; 1= 1933 ; 9= 1934 ; 3= 1949 ; 1= 1950
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 18

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