• Country
• United States of America (USA)

• Manufacturer / Brand
• Randolph Radio Corp.; Chicago IL

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 52905

• Number of Tubes
• 7

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 110 Volt

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Randolph Seven-Tube Ampliphonic - Randolph Radio Corp.; Chicago

• Shape
• Console, Lowboy (legs < 50 %).

• Notes
• One dial (primary tuning control knob)

• Price in first year of sale
• 99.00 $

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

• Literature/Schematics (4)
• November 1927 Popular Mechanics page 187

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

• Other Models

• Here you find 26 models, 18 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Randolph Radio Corp.; Chicago IL