• Country
• Germany

• Manufacturer / Brand
• Walter, Otto, Radiotechnische Werkstätten; Berlin

• Year
• 1927 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 234179

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Owaphon Lautsprecher - Walter, Otto, Radiotechnische

• Dimensions (WHD)
• 410 x 310 x 100 mm / 16.1 x 12.2 x 3.9 inch

• Notes

• Owaphon Lautsprecher

• Net weight (2.2 lb = 1 kg)
• 1.7 kg / 3 lb 11.9 oz (3.744 lb)

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

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Walter, Otto, Radiotechnische Werkstätten; Berlin