• Year
  • 1970/1971
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 889
    • 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 Transistors
  • 10
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 460/10700 kHz
  • Tuned circuits
  • 7 AM circuit(s)     11 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Power type and voltage
  • Dry Batteries / 6 × 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
  • Power out
  • 2 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Derby 701 7.650.550 - Blaupunkt Ideal, Berlin,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 281 x 193 x 79 mm / 11.1 x 7.6 x 3.1 inch
  • Notes
  • Bei Betrieb im Auto über Autohalterung HV600 aus 12-V-Autobatterie beträgt die Ausgangsleistung 3 W. Netzbetrieb mit zusätzlichem Netzgerät möglich.

  • Net weight (2.2 lb = 1 kg)
  • 2.7 kg / 5 lb 15.2 oz (5.947 lb)
  • Literature/Schematics (1)
  • -- Original-techn. papers.

 Collections | Museums | Literature

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The model Derby 701 is part of the collections of the following members.

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