Antique radios, Old Time Radios

E443

Country:	Netherlands	Brand:	Philips; - Eindhoven; Netherlands
		Developer:	Philips; - Eindhoven; Netherlands
		Tube type:	Vacuum Pentode Power/Output

Tube ID = 1338


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Identical to	E443
Similar Tubes	Different connections: RES664d
First Series	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)
Was used by	Radio/TV-reception etc.
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)

J R
Jacob Roschy

Telefunken Werkstattbuch
Wolfgang Bauer

F. H.
Hermann Fleischanderl

Usage in Models (calculation each 25th of the month)	4= 1929 ; 1= 1930?? ; 1= 1931?? ; 1= 1931 ; 1= 1932 ; 5= 1933 ; 4= 1934 ; 1= 1935? ; 6= 1935 ; 1= 1936 ; 1= 1937 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 26

No further Information for

E443

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