Antique radios, Old Time Radios

DBC21

Country:	Netherlands	Brand:	Philips; - Eindhoven; Netherlands
		Developer:	Philips; - Eindhoven; Netherlands
		Tube type:	Double Diode-Triode

Tube ID = 3555


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Identical to	DBC21
Similar Tubes	Other base: DBC21_9pin; DBC25; DBC25_Miniloktal
First Series	Jul.1940 Tube leaflet collection E.Erb Philips Book III [178]
First Source (s)	Mar.1940 : Philips Bulletin # D 78
Predecessor Tubes	KBC1 DBC21_9pin
Successor Tubes	DBC25

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vp)
Filament	Vf 1.4 Volts / If: 0.05 Ampere / -: Direct /
Tube prices	1 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49


	Internet Miguel Angel Trujillo-Rodriguez

scc
Christian Schaufelberger

Telefunken Werkstattbuch
Wolfgang Bauer

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models (calculation each 25th of the month)	2= 1940 ; 5= 1941 ; 7= 1942 ; 1= 1943?? ; 3= 1943 ; 1= 1944 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 19

No further Information for

DBC21

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