• Country
• United States of America (USA)

• Manufacturer / Brand
• Insuline Corp. Of America (ICA); New York City

• Year
• 1950 ??

• Category
• Morse-Equipment & TTY, RTTY, TDD etc.

• Radiomuseum.org ID
• 138941

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

• Number of Tubes
• 1

• Valves / Tubes
• 117L7

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• AC/DC-set / 110 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Metal case

• from Radiomuseum.org
• Model: ICA De Luxe Signatone 4300 - Insuline Corp. Of America ICA;

• Shape
• Tablemodel, with any shape - general.

• Notes

• Morse code practice set, jacks for headphones & key, two controls.

  The ICA Signa Tone model 4300 contains 1 tube: 117L7.

  The ICA Signa Tone 4301 contains 2 tubes: 50B5 and 35W4.

• Source of data
• -- Original prospect or advert

• Literature/Schematics (1)
• http://www.n4mw.com/cp022.htm

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 91 models, 22 with images and 39 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Insuline Corp. Of America (ICA); New York City