• Country
• Germany

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

• Year
• 1982 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 225495

• • 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
• Semiconductors present.

• Semiconductors

• Main principle
• PLL, Phase-locked loop

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Details
• Hi-Fi equipment

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

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

• Power out
• 86 W (110 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: HiFi Synthesizer Receiver R-4200 7 621 110 - Blaupunkt Ideal, Berlin,

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 436 x 93 x 292 mm / 17.2 x 3.7 x 11.5 inch

• Notes

• 5 Speicher je für AM/FM, Hybrid-Endstufe.

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

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 3591 models, 3279 with images and 2332 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim