Bremen TR (Transistor) ab D 709800

Blaupunkt (Ideal), Berlin, später Hildesheim

  • Year
  • 1960/1961
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 169716
    • 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

  • Number of Tubes
  • 3
  • Number of Transistors
  • 3
  • Main principle
  • Superheterodyne (common); ZF/IF 460 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 6/12 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 4 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Bremen TR ab D 709800 - Blaupunkt Ideal, Berlin,
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 183 x 82 x 168 mm / 7.2 x 3.2 x 6.6 inch
  • Notes
  • Blaupunkt Bremen TR ist ein hybrid-bestücktes Autoradio mit Röhren in HF-Teil und NF-Vorstufe, die Endstufe arbeitet mit 2 Transistoren. Die Anodenspannung wird hier durch einen Transistor-Sperrschwinger erzeugt.
  • Net weight (2.2 lb = 1 kg)
  • 2.5 kg / 5 lb 8.1 oz (5.507 lb)
  • Source of data
  • - - Manufacturers Literature
  • Literature/Schematics (1)
  • -- Original-techn. papers.

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