• Year
  • 1929
  • Category
  • Kit (Parts plus instruction) or building instructions only
  • Radiomuseum.org ID
  • 57933

 Technical Specifications

  • Number of Tubes
  • 7
  • Valves / Tubes
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
  • Power type and voltage
  • Alternating Current supply (AC)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Kit 720 AC - Silver - Marshall; Chicago, IL
  • Notes
  • Two dials (primary tuning control knobs)
  • Price in first year of sale
  • 78.00 $
  • External source of data
  • Ernst Erb

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