• Year
  • 1932
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57983

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Superheterodyne (common)
  • Tuned circuits
  • 8 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries / 2 & 67,5 & 157,5 & -13,5 & -22,5 Volt
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: KB-21 - Silver - Marshall; Chicago, IL
  • Shape
  • Console with any shape - in general
  • Notes
  • Push-pull af output stage.
  • Price in first year of sale
  • 89.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 9 = 1938 and before

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