• Year
  • 1928
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 35685
    • alternative name: American Graphophone || Columbia Recording

 Technical Specifications

  • Number of Tubes
  • 7
  • Valves / Tubes
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Power type and voltage
  • Alternating Current supply (AC)
  • from Radiomuseum.org
  • Model: C-9 - Columbia Phonograph, American
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • One dial (primary tuning control knob)
  • Price in first year of sale
  • 140.00 $
  • External source of data
  • Ernst Erb

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