Antique radios, Old Time Radios

E442

Country:	Netherlands		Brand:	Philips; - Eindhoven; Netherlands
			Tube type:	Screen-grid Tetrode RF/IF-Stage

Tube ID = 1689


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Identical to	E442 = NC4 = H4100D = RS4142 = TM-C-EC
Similar Tubes	Normally replaceable-slightly different: A4GAF; AS494; DW6; J4091; MS4; S412N; S4150; S430N; TE42 Other base: E442_4pin
First Series	1928 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Aug.1928 : -- Original-techn. papers. 1928 : Saga of the Vacuumtube, Tyne p.422

Base	Europe 5-Pin (O5A, B5) (Codex=Fc) Top contact screw type
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If: 1 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Description	Siehe die Unterschiede zur E442S (Kolben und elektrische Daten) - und auch die 4-Stift-Ausführung der E442. Text in other languages (may differ)
Tube prices	1 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49


	ficha de valvulas Getulio Jimenez-Gomez

Sammlung
Ingo Moll

Telefunken Werkstattbuch
Wolfgang Bauer

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models (calculation each 25th of the month)	1= 1927 ; 5= 1928 ; 1= 1929? ; 14= 1929 ; 5= 1930? ; 20= 1930 ; 2= 1931? ; 32= 1931 ; 1= 1932? ; 27= 1932 ; 4= 1933? ; 5= 1933 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 117

No further Information for

E442

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