Antique radios, Old Time Radios

EF40

ID = 370

Country:

Europe

Brand:	Common type Europe tube/semicond.
Tube type:	Vacuum Pentode Audio Frequency

Identical to

EF40

Similar Tubes

Heater different:

UF40

First year

1948 Tube leaflet collection E.Erb Analysis by original leaflets

First Source (s)

Mar.1948 : Funkschau # 3

Aug.1950 : Funk-Technik (FT) # 15

Predecessor Tubes

EF12 EF6 EF6bi

Successor Tubes

1952 EF86 EF804

Base

Rimlock base B8A

Filament

Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AC/DC

Dimensions (WHD)
incl. pins / tip

22 x 60 x 22 mm / 0.87 x 2.36 x 0.87 inch

Tube prices

8 Tube prices (visible for members only)

Information source

Taschenbuch zum Röhren-Codex 1948/49

EF40: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †
EF40: RTT 1974 (Franzis) 13. Auflage Martin Renz	Just Qvigstad	EF40: Audio-u.Hifi-Röhren R.zur Linde Günther Stabe † 19.8.20 More ...

Usage in Models

4= 1948?? ; 4= 1948? ; 4= 1948 ; 6= 1949?? ; 6= 1949? ; 12= 1949 ; 14= 1950?? ; 12= 1950? ; 34= 1950 ; 2= 1951?? ; 15= 1951? ; 56= 1951 ; 7= 1952?? ; 17= 1952? ; 71= 1952 ; 8= 1953?? ; 21= 1953? ; 72= 1953 ; 6= 1954?? ; 11= 1954? ; 63= 1954 ; 21= 1955?? ; 11= 1955? ; 26= 1955 ; 9= 1956?? ; 5= 1956? ; 13= 1956 ; 4= 1957?? ; 9= 1957? ; 7= 1957 ; 4= 1958?? ; 2= 1958? ; 3= 1958 ; 9= 1959 ; 11= 1960?? ; 1= 1960? ; 1= 1960 ; 1= 1961?? ; 1= 1961 ; 1= 1962? ; 1= 1964?? ; 1= 1964 ; 1= 1967??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):587

Museum "RadioMuseum Köln"

Collection of

EF40

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