• Country
• Hungary

• Manufacturer / Brand
• Rotand Rádió; Budapest

• Year
• 1935/1936

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 215911

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (free mooving - only possible past 1931). / Ø 24.5 cm = 9.6 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: Speaker Helios I - Rotand Rádió; Budapest

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 245 x 245 x 0 mm / 9.6 x 9.6 x 0 inch

• Price in first year of sale
• 16.00 Pengö

• Literature/Schematics (1)
• Rotand Rádió Árjegyzék, 1935-36.

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

• Other Models

• Here you find 45 models, 36 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rotand Rádió; Budapest