• Country
• United States of America (USA)

• Manufacturer / Brand
• Coto Coil Manufacturing, Providence , RI

• Year
• 1924

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 232625

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

• Main principle
• TRF without regeneration

• Wave bands
• Broadcast only (MW).

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Coto Symphonic - Coto Coil Manufacturing,

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes

• Three variocoupler design.

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 3 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Coto Coil Manufacturing, Providence , RI