• Year
  • 1972–1974
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 28723
    • 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
  • 17
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 460/10700 kHz
  • Tuned circuits
  • 6 AM circuit(s)     11 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Madrid SG20 7.622.340 - Blaupunkt Ideal, Berlin,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 490 x 110 x 220 mm / 19.3 x 4.3 x 8.7 inch
  • Notes
  • 1 IC. Vollstereo, NF-Verstärker mit 2 Endstufen je 6 W (Sinus); zwei Lautsprecherboxen LAB062 im Lieferumfang.
  • Net weight (2.2 lb = 1 kg)
  • 5.5 kg / 12 lb 1.8 oz (12.115 lb)
  • External source of data
  • Erb

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The model Madrid SG20 is part of the collections of the following members.

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