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EF5

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ID = 1728
       
Country:
Netherlands
Brand:
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to EF5 = TEF5 = MEF5 = VEF5 = 6E1_Ultron
Similar Tubes
Normally replaceable-slightly different:
  EF25
First year May.1936 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
May.1936 : Philips Bulletin
Predecessor Tubes AF3   CF3   EF3   EF4  
Successor Tubes 1938   EF9  

Base Europe side contact base P (P8A) (Codex=Sf)
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC /
Tube prices 2 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

  ef5.png
  EF5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ef5_rt_f.jpg
EF5: Collection JR
Jacob Roschy

 
au25_1.png
EF5: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
ef5_spec.png
EF5: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 2= 1936?? ; 24= 1936? ; 133= 1936 ; 6= 1937?? ; 20= 1937? ; 270= 1937 ; 8= 1938?? ; 16= 1938? ; 88= 1938 ; 6= 1939?? ; 4= 1939? ; 20= 1939 ; 2= 1940?? ; 11= 1940 ; 4= 1941 ; 4= 1942 ; 3= 1943 ; 1= 1944 ; 2= 1946 ; 1= 1947?? ; 1= 1952? ; 9= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):635


Forum contributions about this tube
EF5
Threads: 1 | Posts: 1
Hits: 1634     Replies: 0
EF5 (EF5)
Reinhard Hanschke
29.Jul.07
  1

Neupreis 1938: 59.-- FFR. Lit.: Catalog der Firma MANUFRANCE (MF) von 1938.

 
EF5
End of forum contributions about this tube

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