• Country
• Great Britain (UK)

• Manufacturer / Brand
• Igranic Electric Co. Ltd.; Bedford

• Year
• 1927

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 202599

• Number of Tubes
• 7

• Valves / Tubes

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - This model requires external speaker(s).

• from Radiomuseum.org
• Model: Supersonic Heterodyne Outfit - Igranic Electric Co. Ltd.;

• Notes
• One stage of HF amplification before the first detector, a separate oscillator, a second detector and one stage of LF amplification.

• Source of data
• Wireless World (The), London (WW, 79)

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 36 models, 34 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Igranic Electric Co. Ltd.; Bedford