• Year
  • 1929 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 205569
    • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
    • Brand: Rotstern

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - Is a Headphone or Earphone / Ø 6 cm = 2.4 inch
  • Material
  • Special material, described in the notes.
  • from Radiomuseum.org
  • Model: Grünkreuz Hörer - Blaupunkt Ideal, Berlin,
  • Notes
  • Metallgehäuse, Hörmuschel aus Pressstoff. 2x2000 Ohm.
  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)
  • Price in first year of sale
  • 12.00 RM
  • Source of data
  • - - Data from my own collection
  • Mentioned in
  • Illustrierter Radio Katalog 1229 7 1930 vom 12. Nov. 1929
  • Author
  • Model page created by Wolfram Zylka. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Grünkreuz Hörer is part of the collections of the following members.

 Forum