• Country
• Germany

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

• Year
• 1971/1972

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 28478

• • 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
• 6

• Semiconductors
• 2SB75 2SC458 2SC459 2SB156 2SB156 2SB77 1N34A

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Dry Batteries / 4 × 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 cm = 3.1 inch

• Power out
• 0.6 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Twen Junior 7.614.080 - Blaupunkt Ideal, Berlin,

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 120 x 66 x 263 mm / 4.7 x 2.6 x 10.4 inch

• Notes
• Übertragungsbereich: 100···8000 Hz; Netzbetrieb mit zusätzlichem Netzteil möglich.

• Net weight (2.2 lb = 1 kg)
• 1.3 kg / 2 lb 13.8 oz (2.863 lb)

• External source of data
• Erb

• Source of data
• Handbuch VDRG 1971/1972

• Literature/Schematics (1)
• -- Original-techn. papers. (Blaupunkt Service-Unterlagen 04.72)

• Other Models

• Here you find 3612 models, 3305 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