• Country
• Great Britain (UK)

• Manufacturer / Brand
• Invicta Radio Ltd.; Cambridge, London

• Year
• 1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 104903

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

• Number of Tubes
• 4

• Valves / Tubes
• DK91 DF91 DAF91 DL92

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Line / Batteries (any type) / 110; 200-240 / 4.5 & 67.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Twinvicta 55 - 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.

• Other Models

• Here you find 117 models, 68 with images and 82 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Invicta Radio Ltd.; Cambridge, London