Antique radios, Old Time Radios

DL21

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

Tube ID = 1863


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Identical to	DL21
Similar Tubes	Other base: DL21_9pin Other base and data slightly different: DL11
First Series	1940 Tube leaflet collection E.Erb P=41-1
First Source (s)	Feb.1940 : Daten und Schaltungen moderner ... Röhren; Philips # 3 Mar.1940 : Philips Bulletin # D 78
Predecessor Tubes	KL4 DL21_9pin
Successor Tubes	1948 DL41

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Voo)
Was used by	Radio/TV-reception etc.
Filament	Vf 1.4 Volts / If: 0.05 Ampere / -: Direct / -: Battery = /
Tube prices	0 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49


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

Herbert Odermatt (eig. Sammlung)
Herbert Odermatt + 26.Nov.05

Telefunken Werkstattbuch
Wolfgang Bauer

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models (calculation each 25th of the month)	1= 1938?? ; 1= 1940?? ; 1= 1940? ; 13= 1940 ; 14= 1941 ; 1= 1942?? ; 9= 1942 ; 1= 1943?? ; 4= 1944 ; 2= 1945 ; 1= 1946?? ; 1= 1947 ; 1= 1948?? ; 1= 1948 ; 3= 1949 ; 1= 1951 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 55

No further Information for

DL21

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