• Year
  • 1927/1928
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 160194

 Technical Specifications

  • Number of Tubes
  • 7
  • Valves / Tubes
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 AF stage(s)
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • -Loudspeaker incorporated, but system not known.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Berwick Electric Ch= AC7 - De Forest DeForest Crosley
  • Shape
  • Console with any shape - in general
  • Notes
  • The De Forest Crosley Power Unit used for this model has a 280 rectifier tube.
  • Circuit diagram reference
  • Radio College of Canada
  • Mentioned in
  • RCC Rogers-Majestic section page 6 & Cross Reference
  • Author
  • Model page created by Robin Roeckers. See "Data change" for further contributors.

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