• Country
• Germany

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

• Year
• 1961/1962

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 831

• • 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
• 7

• Semiconductors
• AF115 AF117 AF117 OC75 OC71 OC74 OC74 OA79 OA79 OA79 E12,5C30

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

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Dry Batteries / 6 × 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 1 W (unknown quality)

• Material
• Various materials

• from Radiomuseum.org
• Model: Nixe 21510 [ab E 205001] - Blaupunkt Ideal, Berlin,

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

• Dimensions (WHD)
• 273 x 198 x 86 mm / 10.7 x 7.8 x 3.4 inch

• Notes

• Zu diesem Modell passt die Auto-Halterung Typ 85530.

• Net weight (2.2 lb = 1 kg)
• 2.8 kg / 6 lb 2.7 oz (6.167 lb)

• Price in first year of sale
• 179.00 DM

• Source of data
• HdB d.Rdf-& Ferns-GrH 1961/62 / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• -- Original-techn. papers.

• Literature/Schematics (1)
• -- Original-techn. papers. (Service-Manual EVB 904-409)

• Literature/Schematics (2)
• - - Manufacturers Literature (Blaupunkt Illustrierte '61)

• Other Models

• Here you find 3548 models, 3234 with images and 2328 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim