• Year
  • 1949
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 104788

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 470 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) / Ø 6 inch = 15.2 cm
  • from Radiomuseum.org
  • Model: 25 - Invicta Radio Ltd.; Cambridge,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Peter Hoddow. See "Data change" for further contributors.

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