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A241

Information - Help 
ID = 12501
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Space Charge Tetrode 
Identical to A241
Similar Tubes
Normally replaceable-slightly different:
  DM15
First year 1925 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
1924 : Saga of the Vacuum Tube, Tyne p.421

Base Europe 4-Pin B4 + side contact (Codex=Eu)
Was used by Radio/TV-reception etc.
Filament Vf 1.7 Volts / If 0.06 Ampere / Direct / Battery =
Tube prices 2 Tube prices (visible for members only)
Information source - - Manufacturers Literature   R38H 1-12-1925
Radios von gestern, 2. Auflage   Seite 227
 
philips_a241.jpg
A241: EE
Ernst Erb

 
a241_sock.png
A241: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

 
a241.png
A241: own collection
Peter den Boer


from Just Qvigstad



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