• Country
• Czechoslovakia

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

• Year
• 1958 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 358465

• • Brand: Supraphon

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Power out
• 0.35 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Loudspeaker ARO131 - Tesla; Praha, Bratislava etc.

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 85 x 85 x 59 mm / 3.3 x 3.3 x 2.3 inch

• Notes

• 200 - 10000 Hz, 4 Ohm

• Net weight (2.2 lb = 1 kg)
• 0.350 kg / 0 lb 12.3 oz (0.771 lb)

• Author
• Model page created by Gabriel Toth. See "Data change" for further contributors.

• Other Models

• Here you find 1874 models, 1197 with images and 680 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.