• Country
• Germany

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

• Year
• 1961/1962 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 139777

• • 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 Tubes
• 7

• Valves / Tubes
• ECC85 ECH81 EF89 EABC80 EM87 EL84 ECL86

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz; Export model

• Wave bands
• Broadcast, 2 Short Wave plus FM or UHF.

• Details
• Changer (Record changer)

• Power type and voltage
• Alternating Current supply (AC) / 117; 220 Volt

• Loudspeaker
• 4 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Stereo-Console Chicago 42903 Ch= 12903 - Blaupunkt Ideal, Berlin,

• Shape
• Console with Push Buttons.

• Notes

• Blaupunkt Chicago 42903 is an export model for the USA.

  Wavebands:
  FM = 87.4 - 108 MHz
  SW1 = 22 - 8.4 MHz
  SW2 = 8.5 - 3.2 MHz
  AM = 515 - 1620 kHz

  Record changer = Perpetuum Ebner PE66

   

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Helmut Arzt. See "Data change" for further contributors.

• Other Models

• Here you find 3616 models, 3308 with images and 2357 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim