• Country
• Germany

• Manufacturer / Brand
• Vogt, Hans; Berlin

• Year
• 1927–1929

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 17541

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Electrostatic Loudspeaker (high bias DC voltage)

• Material
• Metal case

• from Radiomuseum.org
• Model: offener LS - Vogt, Hans; Berlin

• Notes
• Elektrostat-Lautsprecher

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Elektrotechnische Zeitschrift (ETZ) (2742B)

• Other Models

• Here you find 5 models, 5 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Vogt, Hans; Berlin