• Year
  • 1924/1925
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 35726
    • Brand: Concert Grand

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Concert Jr. - Concert Radiophone Co.;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • One dial (primary tuning control knob)
  • Price in first year of sale
  • 2.50 $
  • External source of data
  • Ernst Erb
  • Mentioned in
  • September 1925, Electrical Record Supplement page 33

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