• Country
• United States of America (USA)

• Manufacturer / Brand
• Imperial Radio Company; Chicago, IL

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 44823

• Number of Tubes
• 5

• Valves / Tubes

• 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: Michigan a5 - Imperial Radio Company;

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

• Notes

• One dial (primary tuning control knob)

• Price in first year of sale
• 40.00 $

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 29 models, 22 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Imperial Radio Company; Chicago, IL