• Country
• United States of America (USA)

• Manufacturer / Brand
• Tri-City Radio Supply Co. (Tresco); Davenport, Iowa

• Year
• 1922/1923

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 198569

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

• Number of Tubes
• 2

• Valves / Tubes
• UV201 UV201

• Main principle
• Audio-Amplification; 2 AF stage(s)

• Wave bands
• - without

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Airline Special Two-Stage Amplifier - Tri-City Radio Supply Co.

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

• Dimensions (WHD)
• 12 x 7 x 8 inch / 305 x 178 x 203 mm

• Notes
• This is the matching Two-Stage Audio Amplifier for the Airline Special 1-tube regenerative receiver Tri-City built for Montgomery Ward.

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

• Other Models

• Here you find 80 models, 53 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tri-City Radio Supply Co. (Tresco); Davenport, Iowa