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EY637

Information - Help 
ID = 44923
       
Country:
France
Brand: Mazda (tubes), Mazda-Belvu, Compagnie des Lampes; Paris
Tube type:  Triode, vacuum 
Identical to EY637 = 37

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Dimensions (WHD)
incl. pins / tip
40 x 97 x mm / 1.57 x 3.82 x inch
Weight 31 g / 1.09 oz
  37~~5.png
  EY637: Internet
Miguel Angel Trujillo-Rodriguez
 
137a_so~~3.png
EY637: ARRL Handbook 1972
Michael Schlör

 

Usage in Models 1= 1936??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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