EF 40, Tube EF40; Röhre EF 40 (EF40)

Antique radios, Old Time Radios

EF40

Country:	Europe		Brand:	Common type Europe
			Tube type:	PENTODE Audio Frequency

Tube ID = 370


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Identical to	EF40
First Series	1948 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Mar.1948 : Funkschau (FS) # 3 Aug.1950 : Funk-Technik (FT) # 15
Predecessor Tubes	EF12 EF6 EF6bi
Successor Tubes	EF86

Base	Rimlock base B8A
Was used by	Radio/TV-reception etc.
Filament	-: Indirect / -: Parallel / series AC/DC / If: 0.2 Ampere / Vf 6.3 Volts /
Dimensions (WHD)	22 x 60 x 22 mm / 0.87 x 2.36 x 0.87 inch
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

collection JR
Jacob Roschy

RTT 1974 (Franzis) 13. Auflage
Martin Renz

Audio-u.Hifi-Röhren R.zur Linde
Günther Stabe

Usage in Models

1= 1948?? ; 2= 1948 ; 7= 1949 ; 6= 1950?? ; 5= 1950? ; 26= 1950 ; 1= 1951?? ; 7= 1951? ; 36= 1951 ; 4= 1952? ; 51= 1952 ; 1= 1953?? ; 5= 1953? ; 52= 1953 ; 2= 1954?? ; 5= 1954? ; 46= 1954 ; 8= 1955?? ; 4= 1955? ; 21= 1955 ; 5= 1956?? ; 3= 1956? ; 9= 1956 ; 4= 1957? ; 5= 1957 ; 4= 1958 ; 8= 1959 ; 5= 1960?? ; 1= 1961?? ; 1= 1961 ; 1= 1962? ; 1= 1967?? ; 1= 9999 ;

Number of Models with this tube 338

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EF40

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