EF 9, Tube EF9; Röhre EF 9 (EF9)

Antique radios, Old Time Radios

EF9

Country:	Netherlands	Brand:	Philips; - Eindhoven; Netherlands
		Developer:	Philips; - Eindhoven; Netherlands
		Tube type:	PENTODE RF/IF-Stage Controlling (mu)

Tube ID = 275


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Identical to	EF9
Similar Tubes	EF22 (other base) EF25 (can normally be replaced - small diff'ce) UF5 (Heater different) EF39 (other base) EF9nT (Multiple differences or of other kind) 4659 (other class quality (otherw. equal)) WE16 (other characteristic (electr. data))
First Series	Apr.1938 Tube leaflet collection E.Erb Analysis by original leaflets
Predecessor Tubes	EF5
Successor Tubes	1941 EF22 EF41 UF9 UF5 EF21_9pin

Base	Europe side contact base P (P8A) (Codex=Sf)
Was used by	Radio/TV-reception etc.
Filament	-: Indirect / -: Parallel / series AC/DC / If: 0.2 Ampere / Vf 6.3 Volts /
Description	Red series Text in other languages (may differ)
Tube prices	0 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

Collection JR
Jacob Roschy

RTT 1974 (Franzis) 13. Auflage
Martin Renz

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models

1= 1937?? ; 4= 1938?? ; 21= 1938? ; 255= 1938 ; 16= 1939?? ; 29= 1939? ; 231= 1939 ; 31= 1940?? ; 20= 1940? ; 136= 1940 ; 4= 1941?? ; 6= 1941? ; 134= 1941 ; 6= 1942?? ; 6= 1942? ; 78= 1942 ; 10= 1943?? ; 2= 1943? ; 47= 1943 ; 3= 1944?? ; 3= 1944? ; 18= 1944 ; 23= 1945?? ; 10= 1945? ; 47= 1945 ; 10= 1946?? ; 1= 1946? ; 33= 1946 ; 19= 1947?? ; 9= 1947? ; 44= 1947 ; 26= 1948?? ; 13= 1948? ; 73= 1948 ; 10= 1949?? ; 5= 1949? ;

Number of Models with this tube 1521

No further Information for

EF9

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21AugX