• Country
• Hungary

• Manufacturer / Brand
• Barta es Tarsa (BAPO); Budapest

• Year
• 1934 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 221325

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Various materials

• from Radiomuseum.org
• Model: Headphones Roys [2000 ohms] - Barta es Tarsa BAPO; Budapest

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 65 x 65 x 26 mm / 2.6 x 2.6 x 1 inch

• Notes
• 2000 Ohm.

• Net weight (2.2 lb = 1 kg)
• 0.150 kg / 0 lb 5.3 oz (0.33 lb)

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

• Other Models

• Here you find 123 models, 103 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Barta es Tarsa (BAPO); Budapest