• Country
• United States of America (USA)

• Manufacturer / Brand
• Duro Metal Products Co., (Quali-tone); Chicago, Illinois

• Year
• 1923 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 205836

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Horn

• Material
• Metal case

• from Radiomuseum.org
• Model: Quali-Tone Horn Speaker Style E - Duro Metal Products Co., Quali

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 7.5 x 11.5 x 0 inch / 191 x 292 x 0 mm

• Notes
• Duro Metal Products Quali-Tone Style E Horn Speaker

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 6 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Duro Metal Products Co., (Quali-tone); Chicago, Illinois