• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Products Sales Co. (RPS Co); San Francisco, CA

• Year
• 1925/1926

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 191979

• Main principle
• Crystal or Solid State Detector

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: The Supreme - Radio Products Sales Co. RPS

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 13 x 7 x 7.25 inch / 330 x 178 x 184 mm

• Mentioned in
• Crystal Clear (Volume 1) (p.190)

• Literature/Schematics (1)
• -- Original prospect or advert (February 7, 1922 The San Francisco Examiner newspaper)

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 4 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Products Sales Co. (RPS Co); San Francisco, CA