• 12A7

  • First year: 1933
  • Base: 7-Pin-Base U7A = small, old, USA (Codex=Ma)
  • Filament: Vf 12.6 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel / series AC/DC /
  • Identical to: = CV909
  • Tube type: HalfWave Rectifier-BeamPowerTetrode
  • Published by:

    dido