• Country
• Germany

• Manufacturer / Brand
• Radio-Amato, Otto Lootze; Berlin

• Year
• 1926/1927

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

• Radiomuseum.org ID
• 16191

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
• Wooden case

• from Radiomuseum.org
• Model: Detektor-Empfänger 4020 - Radio-Amato, Otto Lootze;

• Dimensions (WHD)
• 210 x 70 x 185 mm / 8.3 x 2.8 x 7.3 inch

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

• Source of data
• Kat. Julius Jessel 1926/27 / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 88 models, 76 with images and 27 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio-Amato, Otto Lootze; Berlin