• Country
• Germany

• Manufacturer / Brand
• Grawor, Rundf.techn.Erz. Grass & Worff (REG); Berlin

• Year
• 1932/1933

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 74687

• • alternative name: Gravor

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Dynamo Dynoral - Grawor, Rundf.techn.Erz. Grass

• Dimensions (WHD)
• 400 x 350 x 250 mm / 15.7 x 13.8 x 9.8 inch

• Price in first year of sale
• 73.00 RM

• Source of data
• Katalog Radio-Zentrale Prohaska 1932/33 / Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Michael Seiffert. See "Data change" for further contributors.

• Other Models

• Here you find 141 models, 136 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grawor, Rundf.techn.Erz. Grass & Worff (REG); Berlin