• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Shop, The (Echophone); Sunnyvale, CA

• Year
• 1920

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 52683

• • Brand: Leroy

• Main principle
• Tuner pre 1926 (not a wave trap); Reaction

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: S.W.Regenerative Tuner - Radio Shop, The Echophone;

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

• Notes
• Radio Shop Short Wave Regenerative Receiver. This model was a typical two variometers/variocoupler three circuit tuner from the late teens to early 1920's electrically equivalent in design to the Adams Morgan RA-6 tuner.
  S.W. = Short Wave, at the time roughly the BC/Medium wave ca.250 to 650 metres.
  Advertised in August, 1920

• Price in first year of sale
• 50.00 $

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

• Author
• Model page created by Peter Rutishauser. See "Data change" for further contributors.

• Other Models

• Here you find 34 models, 24 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shop, The (Echophone); Sunnyvale, CA