Antique radios, Old Time Radios

F443

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

Tube ID = 2895


	previous \| next

Identical to	F443 = L495D
Similar Tubes	Normally replaceable-slightly different: 4650; 822; F443N; L497D; P460_Triotron; PM24D
First Series	1933 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Jul.1930 : -- Original-techn. papers. Oct.1932 : Philips Bulletin #D3
Successor Tubes	1933 4650 F443N

Base	Europe 5-Pin (O5A, B5) (Codex=Foo)
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If: 2 Ampere / -: Direct / -: Parallel, (AC/DC) /
Description	The F443 is the first series produced 25 watts output-pentode, thus it is the ancester of the later EL34. At 550 Vp and 250 Vg2 the F443N is capable of 41 watts output power in push-pull. [Jacob Roschÿ, 2003-03-17] Text in other languages (may differ)
Literature	Taschenbuch zum Röhren-Codex 1948/49

g.h.
Gerhard Heigl

Telefunken Werkstattbuch
Wolfgang Bauer

Philips Verstärkerröhren
Gerhard Heigl

Usage in Models (calculation each 25th of the month)	2= 1932 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 2

No further Information for

F443

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]