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A414K

Information - Help 
ID = 2451
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to A414K
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Description Detector and LF amplification. 
Dimensions (WHD)
incl. pins / tip
44 x 94 x 35 mm / 1.73 x 3.70 x 1.38 inch
Weight 99 g / 3.49 oz
Literature - - Manufacturers Literature   Tarif des Miniwatts
Taschenbuch zum Röhren-Codex 1948/49   
 
a414k_philips_01.jpg
A414K: Collection TL
Thomas Lebeth

 
1_6.png
A414K: Telefunken Werkstattbuch
Wolfgang Bauer

 
a414kgraphic.png
A414K: own collection
Peter den Boer


Usage in Models 1= 1931

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


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