• Year
  • 1957 ?
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 313558

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
  • Changer (Record changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 4-A-146 Codes 389-5-3149A - Firestone Tire & Rubber Co.
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Firestone model 4-A-146 is an AC operated Phono amplifier.

     

     

  • Author
  • Model page created by Dirk Taekels. See "Data change" for further contributors.

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