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1815

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ID = 3223
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 1815 = G2504 = RGN2504 = FW125spez
Similar Tubes
Normally replaceable-slightly different:
  E4F ; GL4/2spez ; VG421 ; W10
Other base:
  Z2z
First year 1933 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Oct.1932 : Philips Bulletin #D3
Sep.1931 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 2.5 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
  valvula1815.png
  1815: Internet
Miguel Angel Trujillo-Rodriguez
 
1815_1.jpg
1815
Hartmut Völler
More ...
 
17_54.png
1815: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
 
vv34_62_1.png
1815: Valvo-Röhren-Daten 1934
Jacob Roschy
More ...

from Just Qvigstad
Usage in Models 1= 1936 ; 1= 1937 ; 1= 1938 ; 1= 1939?? ; 1= 1939 ; 1= 1942? ; 1= 1945
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7
Collection of Hartmut Völler (D)
Collection of Christian Schaufelberger (CH)
Collection of Rudolf Osterkamp (D)
Collection of a member from D
Collection of Thomas Lüthe (D)
Collection of Ken Shellberg (USA)
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