Antique radios, Old Time Radios

DF11

ID = 624

Country:

Europe

Brand:	Common type Europe tube/semicond.
Developer:	Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:	Vacuum Pentode RF/IF-Stage Controlling (mu)

Identical to

DF11

First year

1940 -- Collector info (Sammler)

First Source (s)

May.1940 : Funkschau 1940 #4

Successor Tubes

DF15

Base

German Steel Y8A, 1938 (Codex=Roo)

Filament

Vf 1.2 Volts / If 0.025 Ampere / Direct / Battery =

Tube prices

9 Tube prices (visible for members only)

Information source

Taschenbuch zum Röhren-Codex 1948/49

DF11: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †
DF11: Telefunken Werkstattbuch Wolfgang Bauer More ...	Just Qvigstad	DF11: RVF-Röhrenbuch-M1,1947 Anonymous 15 Collector More ...

Usage in Models

1= 1940?? ; 2= 1940? ; 14= 1940 ; 1= 1941? ; 27= 1941 ; 1= 1942?? ; 3= 1942? ; 8= 1942 ; 2= 1943? ; 3= 1943 ; 1= 1946 ; 2= 1948 ; 6= 1949 ; 2= 1950? ; 5= 1950 ; 2= 1951? ; 6= 1951 ; 1= 1952?? ; 4= 1952 ; 1= 1953

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):92

Collection of

DF11

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