• Country
• United States of America (USA)

• Manufacturer / Brand
• Tyrman Electric Corporation; Chicago, IL

• Year
• 1928

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

• Radiomuseum.org ID
• 63778

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

• Number of Tubes
• 10

• Valves / Tubes

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Alternating Current supply (AC)

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Imperial 80 - Tyrman Electric Corporation;

• Shape
• Chassis only or for «building in»

• Notes
• Two dials (primary tuning control knobs)

• Price in first year of sale
• 199.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• Radio News (November, 1928 Radio News magazine page 511)

• Literature/Schematics (1)
• Walter Ashe Radio Co. catalogue for season 1928-1929

• Other Models

• Here you find 6 models, 6 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tyrman Electric Corporation; Chicago, IL