Antique radios, Old Time Radios

E424N

Country:	Netherlands		Brand:	Philips; Eindhoven (tubes international!); Netherlands
			Tube type:	Triode, vacuum Universal

Tube ID = 1693

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Identical to	E424N = REN904 = A4110 = WE27 = RS4324 = LA203 = A4D1
Similar Tubes	Normally replaceable-slightly different: TM-CDT2 Other base: E424N_UY
First year	1929 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Oct.1931 : -- Original-techn. papers.

Base	Europe 5-Pin (O5A, B5) (Codex=F)
Filament	Vf 4 Volts / If: 1 Ampere / -: Indirect /
Literature	Taschenbuch zum Röhren-Codex 1948/49


	E424N: ficha de valvulas Getulio Jimenez-Gomez

E424N: A. De Poi
Alessandro De Poi

E424N: Telefunken Werkstattbuch
Wolfgang Bauer

E424N: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models	1= 1930? ; 1= 1930 ; 1= 1931? ; 10= 1931 ; 1= 1932?? ; 1= 1932? ; 29= 1932 ; 2= 1933?? ; 3= 1933? ; 18= 1933 ; 1= 1934?? ; 8= 1934 ; 1= 1935?? ; 4= 1935 ; 1= 1936?? ; 2= 1936 ; 1= 1937
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 85

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