• Year
  • 1956 ?
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 137421

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Rec.Player+Audio.Amp+LS
  • Power type and voltage
  • Alternating Current supply (AC) / 105 - 125 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • from Radiomuseum.org
  • Model: 4-A-131 Code 1-5-3A7 - Firestone Tire & Rubber Co.
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • The Firestone Modell 4-A-131 is a AC Operated Phono Amplifier with 3 Speed Automatic Record Changer.
    4" x 6" PM elliptical speaker.
  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

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