• 22

  • First year: 1927
  • Base: UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bu) Top contact with a cap
  • Filament: Vf 3 Volts / If 0.13 Ampere / Direct / Battery = /
  • Identical to: 22 = RF22 = PH222 = 222 = 38002 = VT-26
  • Tube type: Screen-grid Tetrode RF/IF-Stage
  • Published by:

    dido