• Country
• Germany

• Manufacturer / Brand
• Blaupunkt (Ideal), Berlin, später Hildesheim

• 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.

• 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

• Source of data
• Handbuch VDRG 1972/1973

• Literature/Schematics (1)
• Radio es Televizio Vevö keszülekek 1972-75

• Other Models

• Here you find 3589 models, 3277 with images and 2329 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim