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FY235

Information - Help 
ID = 49531
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Screen-grid Tetrode 
  Ca. 1925 up to 1945 rare.
Identical to FY235
Similar Tubes
Normally replaceable-slightly different:
  35 ; C335

Base UY-Base, 5 Pins (USA, April 1927)
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC
Description Super control raio-frequency amplifier. 
Information source - - Manufacturers Literature   2-9-1933
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FY235: own collection
Peter den Boer


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