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ID = 15806
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 ; W408N
Differences not known by us:
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 Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

E408N: ficha de valvulas
Getulio Jimenez-Gomez

1_26.png E408N: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
E408N: g.h.
Gerhard Heigl

More ...
Usage in Models 1= 1931? ; 3= 1931

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of




E408N with dome bulb

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