• Country
• United States of America (USA)

• Manufacturer / Brand
• Utah Radio Products Co.; Salt Lake City + Chicago

• Year
• 1925 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 139464

• Wave bands
• - without

• Loudspeaker
• Horn

• from Radiomuseum.org
• Model: Superflex - Utah Radio Products Co.; Salt

• Dimensions (WHD)
• 5 x 8.5 x 5 inch / 127 x 216 x 127 mm

• Notes
• Inverted horn speaker, looks like a bell.

• Net weight (2.2 lb = 1 kg)
• 1.6 kg / 3 lb 8.4 oz (3.524 lb)

• Price in first year of sale
• 10.00 $

• Source of data
• Classic Cones

• Literature/Schematics (1)
• Floyd A.Paul, Horn Speaker Encyclopedia

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

• Other Models

• Here you find 43 models, 41 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Utah Radio Products Co.; Salt Lake City + Chicago