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EF51

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ID = 10063
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   VHF   Controlling (mu) 
Identical to EF51 = CV305
First year 1942 Tube leaflet collection E.Erb Philips-Archive Jan.42
Base Loctal-8, B8G (Sylvania, 1938) (Codex=Wk)
Filament Vf 6.3 Volts / If 0.35 Ampere / Indirect / Specified voltage AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
ef51.png
EF51: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
lo16.png EF51: RTT 1974 (Franzis) 13. Auflage
Martin Renz

Just Qvigstad 		ef51_techdat01.png
EF51: SEL Handbuch 1964
Peter Hoddow
More ...
Usage in Models 1= 1948?? ; 1= 1948? ; 1= 1949?? ; 1= 1949 ; 1= 1950?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

Klaus Rüdiger (D)
Timo Rantasaari (FIN)
Karl - Heinz Bossan (D)
Peter Pfeiffer (D)
Collection of a member from FIN
Patrice Zeissloff (F)
Marcello Astolfi (I)
Tomasz Szczesniak (PL)
 
ef51_philips.jpg

EF51
 
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