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E408N

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ID = 15806
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to E408N = T416 = RE614 = LK4110
Similar Tubes
Normally replaceable-slightly different:
  15-400 ; E408 ; K412 ; P4100 ; PU10.02 ; W408N
Differences not known by us:
  TE08
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jul.1930 : -- Original-techn. papers.
Predecessor Tubes E408  
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Direct
Dimensions (WHD)
incl. pins / tip		 56 x 137 x 40 mm / 2.20 x 5.39 x 1.57 inch
Tube prices 1 Tube prices (visible for members only)
Information source Röhren-Vademecum; P.H. Brans; Antwerpen   p. 33
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
Taschenbuch zum Röhren-Codex 1948/49
e408n.gif
E408N: ficha de valvulas
Getulio Jimenez-Gomez
1_26.png E408N: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		daten_e408n_philips_1.png
E408N: g.h.
Gerhard Heigl
More ...
Usage in Models 1= 1931? ; 3= 1931 ; 1= 1935?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

Gerhard Heigl (A)
Peter den Boer (NL)
Benedetto Pirani (I)
Collection of a member from FIN
Rodolfo Gaston Wenceslao Nasasta (RA)
 
e408n.jpg

E408N
 

Variants

E408N with dome bulb
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