Antique radios, Old Time Radios

EF7

Country:	Europe	Brand:	Common type Europe
		Developer:	Telefunken Deutschland (TFK)
		Tube type:	Vacuum Pentode Universal

Tube ID = 2343


	previous \| next

Identical to	EF7
Similar Tubes	Heater different: AF7; CF7; VF7
First Series	Jul.1936 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Feb.1936 : Funkschau (FS) 1936, Heft 5 Jan.1936 : Funk, Die Zeitschrift des Funkwesens 1936 # 1
Predecessor Tubes	EF1
Successor Tubes	EF6

Base	Europe side contact base P (P8A) (Codex=Sf)
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.24 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Description	Nachzügler zur ersten europäischen Serie von Autoradioröhren. Die EF7 ist im Gegensatz zur EF3 die Linearröhre für die NF-Vorstufe. Text in other languages (may differ)
Literature	Taschenbuch zum Röhren-Codex 1948/49

JR
Jacob Roschy

Telefunken Werkstattbuch
Wolfgang Bauer

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

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

No further Information for

EF7

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]