• Country
• Germany

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

• Year
• 2001 ?

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 324887

• • 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
• 61

• Semiconductors
• DTA143 BC848 BZX84 DTC143 BC858 BAW56 BAV99 DTA124 MC68HC11 RC4558 TDA7375 L78Sxx MC78M05CT TLE4269

• Main principle
• PLL, Phase-locked loop

• Wave bands
• Wave Bands given in the notes.

• Details
• CD-Player, -Writer, MD, MOD (audio); Radio Control (+Remote Wire etc)

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Alfa 937 High 7.649.378.316 - Blaupunkt Ideal, Berlin,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 180 x 50 x 175 mm / 7.1 x 2 x 6.9 inch

• Notes

• Car radio with CD player. Bass, treble, fader and loudness adjustments.

  Alignment and programming with ComServer computer program:

  • Europe / Asia mode:
    • FM = 87.5 - 108 MHz
    • MW = 531 - 1602 kHz
    • LW = 153 - 279 kHz
  • South America mode:
    • FM = 87.7 - 107.9 MHz
    • MW = 530 - 1620 kHz

  61 transistors, 18 ICs and 6 quartz, partially listed (once per type)

  Made in Portugal

• Net weight (2.2 lb = 1 kg)
• 1.250 kg / 2 lb 12.1 oz (2.753 lb)

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 3525 models, 3214 with images and 2320 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim