Kit SM-730 Round the World Four (4)

Silver - Marshall; Chicago, IL

  • Year
  • 1928
  • Category
  • Kit (Parts plus instruction) or building instructions only
  • Radiomuseum.org ID
  • 57951

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Kit SM-730 [Round the World Four ] - Silver - Marshall; Chicago, IL
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Two dials (primary tuning control knobs)
  • Price in first year of sale
  • 51.00 $
  • External source of data
  • Ernst Erb
  • Literature/Schematics (1)
  • Walter Ashe Radio Co. catalogue for season 1928-1929

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