Antique radios, Old Time Radios

RES094

Country:	Germany		Brand:	Telefunken Deutschland (TFK)
			Tube type:	Screen-grid Tetrode

Tube ID = 41


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Identical to	RES094
Similar Tubes	Normally replaceable-slightly different: S409
First Series	1928 Tube leaflet collection E.Erb Analysis by original leaflets

Base	Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Er)
Filament	Vf 4 Volts / If: 0.06 Ampere /
Tube prices	6 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49


	Lehmann: Die Rundfunktechnik (1930?) Georg Richter

collection JR
Jacob Roschy

Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

Telefunken Datenblatt
Martin Steyer

Usage in Models (calculation each 25th of the month)	1= 1927 ; 1= 1928?? ; 2= 1928? ; 5= 1928 ; 4= 1929 ; 3= 1930? ; 13= 1930 ; 1= 1931?? ; 1= 1931? ; 10= 1931 ; 4= 1932? ; 4= 1932 ; 1= 1933? ; 7= 1933 ; 4= 1934 ; 2= 1935?? ; 8= 1935 ; 2= 1936 ; 1= 1937? ; 1= 1938?? ; 1= 1939?? ; 1= 1939 ; 1= 1940?? ; 1= 1942 ; 1= 1943?? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 80

No further Information for

RES094

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