• Year
  • 1930 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 231193
    • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
    • Brand: Rotstern

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Magnetic loudspeaker (reed) of high quality (4 magnet poles).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Kraft-Antriebssystem 66K - Blaupunkt Ideal, Berlin,
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 90 x 110 x 37 mm / 3.5 x 4.3 x 1.5 inch
  • Notes
  • Gleichstromwiderstand ca. 1000 Ohm

    Abmessung Tiefe ohne Stellknopf und Antriebsstange

    Chassisteile sind aus Zinkdruckguss gefertigt, daher nicht formstabil und dem Zerfall ausgesetzt. Stichwort "Zinkpest".

  • Net weight (2.2 lb = 1 kg)
  • 0.550 kg / 1 lb 3.4 oz (1.211 lb)
  • Price in first year of sale
  • 19.00 RM
  • Author
  • Model page created by Alfons Lammers. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Kraft-Antriebssystem is part of the collections of the following members.

Literature

The model Kraft-Antriebssystem is documented in the following literature.

 Forum