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ID = 15803
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Power/Output 
Identical to E406 = P4 = F5 = DW601
Similar Tubes
Normally replaceable-slightly different:
  E406N ; P4_Sator ; T94
Other class quality (otherwise equal):
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jul.1930 : -- Original-techn. papers.
Successor Tubes 1928   E406N  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 1 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
E406: Abfalterer Eduard
Eduard Abfalterer

E406: Telefunken Werkstattbuch
Wolfgang Bauer

E406: Philips Verstärkerröhren
Gerhard Heigl

from Just Qvigstad

Usage in Models 1= 1929 ; 1= 1931? ; 1= 1931 ; 1= 1932?? ; 1= 1932 ; 1= 1933 ; 4= 1934 ; 1= 1935

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

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