• Country
• United States of America (USA)

• Manufacturer / Brand
• Hi-Grade Wireless Instrument Co.; Asheville, North Carolina

• Year
• 1922

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 352745

• Number of Tubes
• 3

• Valves / Tubes
• UV200 UV201 UV201

• Main principle
• TRF without regeneration; 2 AF stage(s)

• 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: The Aerotone Type HS-2 - Hi-Grade Wireless Instrument

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

• Notes

• Hi-Grade Wireless The Aerotone Type HS-2

• Price in first year of sale
• 80.00 $

• Mentioned in
• -- Original prospect or advert

• Literature/Schematics (1)
• -- Original prospect or advert (September 22,1922 Ashville Citizens Times newspaper)

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

• Other Models

• Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hi-Grade Wireless Instrument Co.; Asheville, North Carolina