• Country
• Germany

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

• Year
• 1925 ?

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 80126

• • 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.

• Main principle
• Crystal or Solid State Detector

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: Aufsteck-Detektor Rotstern - Blaupunkt Ideal, Berlin,

• Dimensions (WHD)
• 80 x 50 x 36 mm / 3.1 x 2 x 1.4 inch

• Notes
• Kristallhalter mit zwei Einstellmöglichkeiten: Verschieben des Kristalls an einer "Mikrometerskala" und Bewegen des Abtasters. Staubgeschützt.

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Price in first year of sale
• 9.00 RM

• Source of data
• Radio-Bauer, Kat. Nr. 6, April 1927

• Mentioned in
• Katalog Grüner &Co. 1925

Werbeblatt Rotstern-Detektor

476 KB

• Documents regarding this model

• Author
• Model page created by Wolfgang Eckardt. See "Data change" for further contributors.

• Other Models

• Here you find 3525 models, 3214 with images and 2320 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim