• Country
• Germany

• Manufacturer / Brand
• Konski & Krüger, Membra; Berlin

• Year
• 1933/1934

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 74743

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (free mooving - only possible past 1931).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Membraphon [Freischwinger] - Konski & Krüger, Membra;

• Shape
• Tablemodel, with any shape - general.

• Notes
• mit Freischwingersystem Rola 33.

• Price in first year of sale
• 30.00 RM

• Source of data
• Radio-Zentrale Prohaska 1933/34 / Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Michael Seiffert. See "Data change" for further contributors.

• Other Models

• Here you find 37 models, 37 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Konski & Krüger, Membra; Berlin