• Country
• Germany

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

• Year
• 1928/1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 455

• • 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 Tubes
• 3

• Valves / Tubes
• REN1104 RE134 R220

• Main principle
• TRF with regeneration; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110-220 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Wooden case

• from Radiomuseum.org
• Model: NR 2W [ohne Skala über linkem Drehknopf] - Blaupunkt Ideal, Berlin,

• Dimensions (WHD)
• 410 x 295 x 115 mm / 16.1 x 11.6 x 4.5 inch

• Notes
• mit NK IV (sep. Geh.); LS nicht 4pol.

• Price in first year of sale
• 188.00 RM !

• Source of data
• Arlt's grosser Radiokatalog 1930 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange + FS-Bestückungstabellen

• Other Models

• Here you find 3591 models, 3279 with images and 2331 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim