• Country
• Germany

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

• Year
• 1932 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 219147

• • alternative name: Gravor

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Perkeo [2] - Grawor, Rundf.techn.Erz. Grass

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 427 x 334 x 235 mm / 16.8 x 13.1 x 9.3 inch

• Author
• Model page created by Torsten Stein. 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