Antique radios, Old Time Radios

E443

Country:	Netherlands	Brand:	Philips; Eindhoven (tubes international!); Netherlands
		Developer:	Philips; Eindhoven (tubes international!); Netherlands
		Tube type:	Vacuum Pentode Power/Output

Tube ID = 1338

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Identical to	E443
Similar Tubes	Normally replaceable-slightly different: MP/PEN Other characteristic (electr. data): E443H; E443N Different connections: E443_4pin Multiple differences or of other kind: RES664d
First year	1929 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Feb.1929 : Philips Bulletin Jun.1930 : - - Manufacturers Literature
Predecessor Tubes	C443N
Successor Tubes	1930 E443N

Base	Europe 5-Pin (O5A, B5)
Filament	Vf 4 Volts / If: 1.1 Ampere / -: Direct /
Description	With 5.5 watts the output power of the E443(N) was increased to almost twice of the former C443. To do so, it required 400 volts as anode and 200 volts as screen voltage. [Jacob Roschÿ, 2003-01-19] Text in other languages (may differ)
Tube prices	1 Tube prices (visible for members only)

E443: J R
Jacob Roschy

E443: Telefunken Werkstattbuch
Wolfgang Bauer

E443: F. H.
Hermann Fleischanderl

Usage in Models	5= 1929 ; 1= 1930?? ; 1= 1931?? ; 1= 1931 ; 1= 1932? ; 3= 1932 ; 6= 1933 ; 3= 1934 ; 2= 1935? ; 6= 1935 ; 1= 1936 ; 1= 1937
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 31

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