• Country
• Hungary

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Hungary (H)

• Year
• 1930

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 247232

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Various materials

• from Radiomuseum.org
• Model: Fejhallgató / Headphone Ady - Unknown - CUSTOM BUILT:

• Notes

• 4000 Ohm.

• Price in first year of sale
• 7.50 Pengő

• Literature/Schematics (2)
• Holstein Zsigmond Katalógusa, Budapest, 1930.

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

• Other Models

• Here you find 56 models, 50 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Hungary (H)