• Year
  • 1947
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 104787

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 1.5 & 90 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: 20 - Invicta Radio Ltd.; Cambridge,
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • A transportable MW/LW table radio housed in a bakelite cabinet, powered by an Ever Ready Portable 61 90 volt HT battery and an Ever Ready All Dry No.1 1½ volt LT battery. It can also be powered by an Exide CYU3K accumulator using the supplied adaptor. With built-in frame aerial and sockets for an external aerial and earth.

    Released October 1947, price £13 5s 0d plus purchase tax.

  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Peter Hoddow. See "Data change" for further contributors.

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