• 37

  • First year: 1931
  • Base: UY-Base, 5 Pins (USA, April 1927) (Codex=H)
  • Filament: Vf 6.3 Volts / If: 0.3 Ampere / -: Indirect /
  • Identical to: = UY37 = VT-37 = EY637 = PH237
  • Tube type: Triode, vacuum RF/IF-Stage
  • Published by:

    dido