• Year
  • 1977/1978
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 112568
    • 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
  • 7
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz
  • Tuned circuits
  • 5 AM circuit(s)     7 FM circuit(s)
  • Wave bands
  • Broadcast, 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) / Ø 10 cm = 3.9 inch
  • Power out
  • 1 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Derby Holiday 7.657.030 - Blaupunkt Ideal, Berlin,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 310 x 220 x 90 mm / 12.2 x 8.7 x 3.5 inch
  • Notes
  • ICs: 2.
    Anschlüsse: Mikrofon mit Fernbedienung, Ohrhörer, Plattenspieler/Tonbandgerät.
    Im VDRG-Handbuch 1977/78 als 7.757.300 mit identischen Daten bezeichnet.
  • Net weight (2.2 lb = 1 kg)
  • 3 kg / 6 lb 9.7 oz (6.608 lb)
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Author
  • Model page created by Josef Pilz. See "Data change" for further contributors.

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