Antique radios, Old Time Radios

DL94

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

Tube ID = 444


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Identical to	DL94 = 3V4 = N19 = 1P11 = CV1633
Similar Tubes	Normally replaceable-slightly different: DL101 Different connections: 3Q4; DL95; N18
First Series	1950 Tube leaflet collection E.Erb Analysis by original leaflets èV6, T7 1952]
First Source (s)	Mar.1950 : Philips Archiv

Base	Miniatur-7-Pin-Base B7G, USA 1940
Was used by	Radio/TV-reception etc.
Filament	Vf 2.8 Volts / If: 0.05 Ampere / -: Direct / -: Battery = /
Description	Operation of the centre-tapped filaments in parallel is possible for a voltage of 1.4 and a current of 100mA. Operation of a single section is also permitted where a power output (2 valves in push-pull) of 300mW is achieved compared with 580mW for both sections operating - same HT conditions applying. Text in other languages (may differ)
Tube prices	0 Tube prices (visible for members only)
Literature	Röhren-Taschen-Tabelle 14.A, (Franzis RTT) - - Manufacturers Literature


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

H.C.
Howard Craven

ARRL Handbook 1972
Michael Schlör

Iven Müller
Iven Müller

Usage in Models (calculation each 25th of the month)

1= 1949?? ; 5= 1949 ; 2= 1950?? ; 5= 1950? ; 10= 1950 ; 1= 1951?? ; 3= 1951? ; 12= 1951 ; 12= 1952?? ; 4= 1952? ; 48= 1952 ; 1= 1953?? ; 9= 1953? ; 66= 1953 ; 6= 1954?? ; 3= 1954? ; 36= 1954 ; 5= 1955?? ; 1= 1955? ; 25= 1955 ; 7= 1956?? ; 1= 1956? ; 23= 1956 ; 2= 1957?? ; 2= 1957? ; 7= 1957 ; 2= 1958?? ; 1= 1958? ; 16= 1958 ; 4= 1959? ; 4= 1959 ; 2= 1960?? ; 1= 1961? ; 1= 1962 ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 328

Further Information for

DL94

DL94 (DL94) (02.06.2006) Karlheinz Fischer	Clicks: 320 Replies: 0
Ih=50mA;Ua=90V;Ug2=90V;Ug1=-4,5V;Ia=7,7mA;Ig2=1,7mA;S=2.0mA/V;Ra=10 kOhm;Na=240mW Quelle:Elektron Heft 11,1951

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