Antique radios, Old Time Radios

DK92

Country:	Europe		Brand:	Common type Europe
			Tube type:	HEPTODE Frequency converter Controlling (mu)

Tube ID = 443


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Identical to	DK92 = 1AC6 = X18 = X20 = 1C2_Mazda
Similar Tubes	Heater different: 1H35
First Series	Jun.1952 Tube leaflet collection E.Erb Analysis by original leaflets [V6, T7, FS5203]
First Source (s)	Feb.1952 : Funkschau (FS) 1952 Heft 3 Dec.1951 : Philips Bulletin
Successor Tubes	DK96

Base	Miniatur-7-Pin-Base B7G, USA 1940
Was used by	Radio/TV-reception etc.
Filament	Vf 1.4 Volts / If: 0.05 Ampere / -: Direct / -: Battery = /
Description	Regel-Heptode; Mischröhre, jetzt KW bis 10 m möglich. Text in other languages (may differ)
Tube prices	0 Tube prices (visible for members only)


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

scc
Christian Schaufelberger

Telefunken Werkstattbuch
Wolfgang Bauer

Lorenz Empfänger-Röhren , 9. Auflage
Michael Sigmund

Usage in Models (calculation each 25th of the month)	1= 1950?? ; 2= 1950? ; 2= 1950 ; 1= 1951?? ; 2= 1951? ; 8= 1951 ; 14= 1952?? ; 3= 1952? ; 49= 1952 ; 2= 1953?? ; 10= 1953? ; 73= 1953 ; 5= 1954?? ; 5= 1954? ; 37= 1954 ; 3= 1955?? ; 2= 1955? ; 27= 1955 ; 5= 1956?? ; 1= 1956? ; 31= 1956 ; 3= 1957?? ; 1= 1957? ; 16= 1957 ; 3= 1958?? ; 1= 1958? ; 16= 1958 ; 2= 1959? ; 7= 1959 ; 2= 1960?? ; 1= 1962 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 335

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DK92

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