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ID = 1667
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to D143 = L160D
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
1927 : Saga of the Vacuum Tube, Tyne p.421

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eoo) Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 1 Volts / If 0.65 Ampere / Direct
Description Kurzfaden Wechselstromröhre von Philips, z.B. 1927 im Modell 2501 verwendet. 
Information source - - Manufacturers Literature   R306H 10-12-1927
Taschenbuch zum Röhren-Codex 1948/49   
  D143: ficha de valvulas
Getulio Jimenez-Gomez
D143: Sammlung IM
Anonymous 557 Collector

D143: RPG Funke
Wolfgang Holtmann

D143: own collection
Peter den Boer

from Just Qvigstad

Usage in Models 2= 1927 ; 3= 1928? ; 3= 1928 ; 2= 1929 ; 1= 1930??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):11

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