• Country
• Great Britain (UK)

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

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 225077

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

• Number of Tubes
• 4

• Valves / Tubes
• FC2A VP2B_Mullard TDD2A PM22A

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 2 & 90 Volt

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

• from Radiomuseum.org
• Model: New Junior 650 - Invicta Radio Ltd.; Cambridge,

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Released January 1939. Similar to 120V HT B29P Transportable (different case). Both have frame aerials. Late 1939 or early 1940 replaced by an "All Dry" model using 1.5V Zinc Dry battery for LT.

  LT 2V Lead Acid Accumulator, probably a Gel type.

• Price in first year of sale
• 8.93 GBP

• Author
• Model page created by Michael Watterson. 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