• Country
• Germany

• Manufacturer / Brand
• Kretzschmar, Max, Radio-Kristallwerk; Berlin

• Year
• 1943 ?

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 15602

Click on the schematic thumbnail to request the schematic as a free document.

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Tuned circuits
• 1 AM circuit(s)

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Cosmos - Kretzschmar, Max, Radio-

• Dimensions (WHD)
• 65 x 32 x 80 mm / 2.6 x 1.3 x 3.1 inch

• Notes
• auch mit Sirutor. Hier zwei Versionen bekannt I: 3x Antennenbuchsen u. 1x Erde links, rechts 4x Kopfhörerbuchsen. II: links u. rechts je 2x KH-Buchsen, hinten 2x Antenne, 1x Erde.

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

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Funkgeschichte der GFGF (9496 --> Heft Nr. 96 Jahrgang 1994)

• Other Models

• Here you find 14 models, 12 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kretzschmar, Max, Radio-Kristallwerk; Berlin