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EY647

Information - Help 
ID = 11240
       
Country:
France
Brand: Mazda (tubes), Mazda-Belvu, Compagnie des Lampes; Paris
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   Power/Output 
Identical to EY647 = 47

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 137 x 54 mm / x 5.39 x 2.13 inch
Weight 59 g / 2.08 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

ey647_so.png EY647: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
ey647mazdadoc1.png
EY647: Patrice ZEISSLOFF
Patrice Zeissloff

Usage in Models 1= 1932?? ; 1= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
ey647_1.jpg

EY647
 

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