• A441N

  • First year: 1926
  • Base: Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eu) Sidecontact
  • Filament: Vf 4 Volts / If 0.08 Ampere / Direct / Battery = /
  • Identical to: A441N = AB4
  • Tube type: Space Charge Tetrode

  • Published by:

    dido
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