• Year
  • 1929–1931
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 14895
    • alternative name: Gravor

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Line (AC, UC or DC not known)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: Dynamo Type A - Grawor, Rundf.techn.Erz. Grass
  • Notes
  • Offenes Modell, bis 4 Watt; auch Modell in Holzgehäuse.

    Preis für Lautsprecher im Eichenholzgehäuse 120,- RM

  • Price in first year of sale
  • 75.00 RM
  • External source of data
  • E. Erb 3-907007-36-0
  • Literature/Schematics (2)
  • Illustrierter Radio Katalog 1929/1930

 Collections | Museums | Literature

Collections

The model Dynamo is part of the collections of the following members.

 Forum