• Year
  • 1938 ??
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 251149
    • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
    • Brand: Rotstern

 Technical Specifications

  • Number of Transistors
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 16 cm = 6.3 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: L 72DH - Blaupunkt Ideal, Berlin,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 420 x 360 x 190 mm / 16.5 x 14.2 x 7.5 inch
  • Notes
  • Altoparlante supplementare, alimentato esternamente, in corrente alternata a 220 volt.

    Raddrizzatore al selenio per l'alimentazione del campo dell'altoparlante, condensatori di filtro e impedenza per l'adattamento della bobina mobile.

    Sul coperchio posteriore porta la scritta Blaupunkt, Ideal.

  • Author
  • Model page created by Fabio Masetti. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

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

 Forum