• Country
• United States of America (USA)

• Manufacturer / Brand
• Benson Engineering Company; Chicago, Illinois

• Year
• 1924

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 34442

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• Detector with Vacuum Tube (Valve), no tuner

• Power type and voltage
• Dry Batteries

• from Radiomuseum.org
• Model: Superflex [Portable] - Benson Engineering Company;

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• Two dials (primary tuning control knobs)

• Price in first year of sale
• 65.00 $

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 7 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Benson Engineering Company; Chicago, Illinois