• Country
• Germany

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

• Year
• 1974/1975

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 908

• • 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
• 12

• Semiconductors

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

• Tuned circuits
• 5 AM circuit(s)     7 FM circuit(s)

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

• Power type and voltage
• Line / Batteries (any type) / 220 / 4 × 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Power out
• 0.6 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Lido L 7.654.310 - Blaupunkt Ideal, Berlin,

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

• Dimensions (WHD)
• 280 x 160 x 62 mm / 11 x 6.3 x 2.4 inch

• Notes
•  

• Net weight (2.2 lb = 1 kg)
• 1.5 kg / 3 lb 4.9 oz (3.304 lb)

• Source of data
• Katalog RFP 1974 / Radiokatalog Band 1, Ernst Erb

• Other Models

• Here you find 3487 models, 3181 with images and 2299 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim