• Country
• Germany

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

• Year
• 1929–1931

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 470

• • 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
• REN1004 RE604 R250

• Main principle
• Audio-Amplification

• Power type and voltage
• Alternating Current supply (AC) / 110-230 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 1.5 W (unknown quality)

• Material
• TUBES VISIBLE, material not known.

• from Radiomuseum.org
• Model: NKW1,5 - Blaupunkt Ideal, Berlin,

• Shape
• Tablemodel, with any shape - general.

• Notes
• NF-Teil von NKW1,5R [569]

• Price in first year of sale
• 209.00 RM !

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

• Circuit diagram reference
• Lange + FS-Bestückungstabellen

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1930/31 (dick)

• 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