• Country
• Germany

• Manufacturer / Brand
• Grassmann, Peter, RFW, Radio-Funk-Werkstätten; vor 1945, Berlin & Neuhaldensleben

• Year
• 1929–1934

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 14836

• Wave bands
• - without

• 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: Helios Cabinet - Grassmann, Peter, RFW, Radio-

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 410 x 365 x 140 mm / 16.1 x 14.4 x 5.5 inch

• Notes
• Helios Cabinet; Spezial Freischwinger Kraftsystem in eckigem Holzgehäuse.

• Price in first year of sale
• 36.00 RM

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

• Source of data
• Arlt's grosser Radiokatalog 1930 / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 110 models, 75 with images and 30 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grassmann, Peter, RFW, Radio-Funk-Werkstätten; vor 1945, Berlin & Neuhaldensleben