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A414

Information - Help 
ID = 2742
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to A414

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Description Detector and first LF. Anti-microfonic tube. 
Dimensions (WHD)
incl. pins / tip
41 x 93 x 31 mm / 1.61 x 3.66 x 1.22 inch
Literature - - Manufacturers Literature   R730H 15-7-1929
 
a414_philips.jpg
A414: Sammlung KHB
Karl - Heinz Bossan

 
s_0_g_6.gif
A414: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
a414data1.png
A414: own collection
Peter den Boer


Usage in Models 1= 1928

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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