• 224A

  • First year: 1929
  • Base: UY-Base, 5 Pins (USA, April 1927) (Codex=Ha) Top contact with a cap
  • Filament: Vf 2.5 Volts / If 1.75 Ampere / Indirect /
  • Identical to: 224A = 24A
  • Tube type: Screen-grid Tetrode

  • Published by:

    dido
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