• Country
• Germany

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

• Year
• 1933

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 130489

• 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 Puppe - Grassmann, Peter, RFW, Radio-

• Shape
• Tablemodel, with any shape - general.

• Notes
• Grassmann Helios Puppe; Lautsprecher mit Freischwingerchassis.

• Price in first year of sale
• 26.00 RM

• Source of data
• -- Original prospect or advert

• Mentioned in
• Reyersbach Katalog 482/Okt.1933

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• 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