Expanse Valve Unit

Australectric Ltd.; Sydney, NSW

  • Year
  • 1921
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 300866

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • Main principle
  • Crystal or Solid State Detector with Amplifer
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Batteries / addl. power jack
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Expanse Valve Unit - Australectric Ltd.; Sydney,
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • Advertised in Sea, Land & Air, April 1, 1921.

  • Mentioned in
  • Sea, Land & Air, April 1, 1921, page 83.
  • Author
  • Model page created by Gary Cowans. See "Data change" for further contributors.

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