Antique radios, Old Time Radios

RENS1224

Country:	Germany	Brand:	Telefunken Deutschland (TFK)
		Developer:	Telefunken Deutschland (TFK)
		Tube type:	HEXODE Frequency converter

Tube ID = 152


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Identical to	RENS1224 = X4122 = E448 = H425N
Similar Tubes	Heater different: RENS1824
First Series	1933 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	1933 : Funkgeschichte der GFGF # 71 Sep.1933 : Funkschau (FS)
Predecessor Tubes	REN704d U4100D
Successor Tubes	ACH1 AK1

Base	Europe 7-Pin (C7A, C, 1933) (Codex=Lf) Top contact with a cap
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If: 1 Ampere / -: Indirect /
Tube prices	2 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49


	Röhrenkartei Drenkelfort Peter Hoddow

Collection TL
Thomas Lebeth

Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models (calculation each 25th of the month)	2= 1933?? ; 25= 1933 ; 7= 1934 ; 1= 1936?? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 35

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RENS1224

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