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AC227

Information - Help 
ID = 64773
       
Country:
United States of America (USA)
Brand:
Developer: Common type USA tube/semicond. 
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to AC227 = 227 = 27
Similar Tubes
Other base:
  AC227A

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
 
ac227_televocal.jpg
AC227: own collection
Peter den Boer

 
446_16~~2.png
AC227: Telefunken Werkstattbuch
Wolfgang Bauer

 
27_data~~3.png
AC227: own collection
Peter den Boer


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