• Country
• Germany

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

• Year
• 1971/1972

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 28584

• • 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
• 10

• Semiconductors
• AF106 AF121 AF201 AF201 AF121 AF126 BC238 BC308 AC175 ANM AC117 1N4148 AA112 AA119 AA119 BZ102/1V4

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

• Tuned circuits
• 6 AM circuit(s)     9 FM circuit(s)

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

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 9 cm = 3.5 inch

• Power out
• 0.7 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Lido 7.651.400 [ab 230001] - Blaupunkt Ideal, Berlin,

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

• Dimensions (WHD)
• 226 x 130 x 62 mm / 8.9 x 5.1 x 2.4 inch

• Notes
• Netzbetrieb mit zusätzlichem Netzteil möglich.

• Net weight (2.2 lb = 1 kg)
• 1.2 kg / 2 lb 10.3 oz (2.643 lb)

• External source of data
• Erb

• Source of data
• Handbuch VDRG 1971/1972

• Literature/Schematics (1)
• -- Original-techn. papers.

• Literature/Schematics (2)
• Service-Manual, KBD 571.04

• Other Models

• Here you find 3596 models, 3284 with images and 2333 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim