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EY647

Information - Help 
ID = 11240
       
Country:
France
Brand: Mazda (tubes), Mazda-Belvu, Compagnie des Lampes; Paris
Tube type:  Vacuum Pentode   Power/Output 
Identical to EY647 = 47

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
Filament Vf 2.5 Volts / If 1.75 Ampere / Direct / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
ey647_1.jpg
EY647: Privat
Matthias Beyer

 
ey647_so.png
EY647: ARRL Handbook 1972
Michael Schlör

 
ey647mazdadoc1.png
EY647: Patrice ZEISSLOFF
Patrice Zeissloff


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