Antique radios, Old Time Radios

EK90

Country:	Europe		Brand:	Common type Europe
			Tube type:	Pentagrid-Converter (Heptode) Pentagrid (new) Controlling (mu)

Tube ID = 1430


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Identical to	EK90 = 6BE6 = 6a2p = X77 = X727 = CV453 = 6A2
Similar Tubes	Other class quality (otherwise equal): 5750; 5760; 6BE6W Heater different: HK90
First Series	1950 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Nov.1951 : Funkschau (FS) # 22

Base	Miniatur-7-Pin-Base B7G, USA 1940
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel / series AC/DC /
Tube prices	0 Tube prices (visible for members only)


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

IM
Iven Müller

RTT 1974 (Franzis) 13. Auflage
Martin Renz

SEL Handbuch 1964
Peter Hoddow

Usage in Models (calculation each 25th of the month)	2= 1950?? ; 6= 1951 ; 1= 1952? ; 5= 1952 ; 3= 1954? ; 2= 1954 ; 1= 1955?? ; 1= 1955 ; 1= 1956? ; 3= 1956 ; 1= 1957?? ; 3= 1957? ; 2= 1958?? ; 1= 1958 ; 1= 1959?? ; 2= 1959? ; 1= 1959 ; 1= 1961?? ; 1= 1961 ; 1= 1964 ; 1= 1965?? ; 1= 1966 ; 1= 1968?? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 42

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EK90

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