• Year
  • 1977/1978
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 117223
    • 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
  • 9
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz
  • Tuned circuits
  • 5 AM circuit(s)     7 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Details
  • Cassette-Recorder or -Player
  • Power type and voltage
  • Line / Batteries (any type) / 220 / 6 × 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 10 cm = 3.9 inch
  • Power out
  • 1.2 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Derby Carrera 7.657.050 - Blaupunkt Ideal, Berlin,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 350 x 210 x 90 mm / 13.8 x 8.3 x 3.5 inch
  • Notes
  • ICs: TA7137P, TA7208P.
  • Net weight (2.2 lb = 1 kg)
  • 3.6 kg / 7 lb 14.9 oz (7.93 lb)
  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Richard Winter. See "Data change" for further contributors.

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