• Country
• Europe

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Europe - see text

• Year
• 1933 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 339553

• Wave bands
• - without

• Power type and voltage
• No Power needed

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Speaker magnet system Altona - Unknown - CUSTOM BUILT: Europe

• Shape
• Chassis only or for «building in»

• Notes

• Reed speaker driver assembly.

• Mentioned in
• -- Original prospect or advert (Katalog Radiozentrum Budapest S.28)

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 12 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Europe - see text