• Country
• Germany

• Manufacturer / Brand
• ROKA, Robert Karst; Berlin

• Year
• 1933/1934

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 16841

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Krachvernichter - ROKA, Robert Karst; Berlin

• Dimensions (WHD)
• 50 x 65 x 30 mm / 2 x 2.6 x 1.2 inch

• Notes
• "Krachvernichter" bzw. Tonblende

• Price in first year of sale
• 4.00 RM

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 25 models, 24 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from ROKA, Robert Karst; Berlin