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DCH25

Information - Help 
ID = 425
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode-Hexode   Frequency converter   Controlling (mu) 
Identical to DCH25
First year 1941 -- Collector info (Sammler)
Predecessor Tubes DCH21  

Base Loctal-8, B8G (Sylvania, 1938) (Codex=Wo)
Filament Vf 1.2 Volts / If 0.1 Ampere / Direct / Battery =
Literature Taschenbuch zum Röhren-Codex 1948/49   
  dch25.png
  DCH25: Internet
Miguel Angel Trujillo-Rodriguez
 
d_valvo_dch25_1.jpg
DCH25: TreLe
Trev Levick

 
118.png
DCH25: Telefunken Werkstattbuch
Wolfgang Bauer

 
dch25.png
DCH25: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector


Usage in Models 1= 1941?? ; 1= 1941? ; 1= 1942? ; 1= 1942 ; 3= 1944 ; 2= 1948 ; 3= 1949

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):12


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