• Year
  • 1947 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 190074

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case, TUBES VISIBLE
  • from Radiomuseum.org
  • Model: T-31W10A - Thordarson Electric Mfg. Co. ;
  • Shape
  • Tablemodel, with any shape - general.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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