• Country
• Czechoslovakia

• Manufacturer / Brand
• Tesla; Praha, Bratislava etc.

• Year
• 1955 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 277484

• • Brand: Supraphon

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: AlNiCo Hochtöner ARO 231 - Tesla; Praha, Bratislava etc.

• Shape
• Chassis only or for «building in»

• Notes

• 4 Ohm.

• Author
• Model page created by Wolfgang Lill. See "Data change" for further contributors.

• Other Models

• Here you find 1835 models, 1152 with images and 661 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.