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EL5

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ID = 2500
       
Country:
Netherlands
Brand:
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   Power/Output 
Identical to EL5 = 6E7_Ultron = 3RKP6 = TEL5 = VEL5
Similar Tubes
Different maximum ratings:
  4689 ; EL5/375
Heater different:
  AL5
Other base:
  EL35 ; EL5G
First year 1936 -- Collector info (Sammler)
First Source (s)
May.1936 : Philips Bulletin
11.Feb.1936 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
Predecessor Tubes F443N   L495D  
Successor Tubes EL12   EL6   4654   4699  
Base Europe side contact P8A (Au P, 8SC) (Codex=Seo)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 1.35 Ampere / Indirect / Specified voltage AC/DC
Description

By demand of more output power new output tubes appeared in 1936 with plate dissipation increased from 9 to 18 watts. In Europe it were the pentodes AL5 (4Vf) and EL5 (6.3Vf), in the USA it was the worlds first and most famous beam- power-tetrode, the 6L6 [Jacob Roschÿ, 5 May 2003]

 
Text in other languages (may differ)
Tube prices 5 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
el5.png
EL5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
38_5.png EL5: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad 		el5_kennlinie.png
EL5: Ratheiser RTH,3.Aufl.,1964
Egon Penker
More ...
Usage in Models 1= 1936?? ; 4= 1936 ; 1= 1937?? ; 29= 1937 ; 1= 1938? ; 7= 1938 ; 1= 1939?? ; 4= 1939 ; 2= 1940?? ; 2= 1940 ; 1= 1942 ; 1= 1946?? ; 1= 1946 ; 1= 1952?? ; 1= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):57
Literature "Radio / Radio ja Sähkö" Vol. 5 No. 4 | 1946-04

Collection of

Frank Möller (D)
Andreas Schulz (D)
Bruno Candreia (CH)
Jacob Roschy (D)
Thomas Lebeth (A)
Giorgio Busletta (I)
Karl - Heinz Bossan (D)
Valery Gromov (RUS)
Rudolf Osterkamp (D)
Wolfgang Bauer (A)
Milen Gaigadzhov (BG)
Manfred Fries (CH)
 
el5_18.jpg

EL5
 
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