• Country
• Hungary

• Manufacturer / Brand
• Telefongyar, Terta (TRT, Export = Orion); Budapest

• Year
• 1928

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 282747

• • Brand: Terta, TRT

• 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 Single - Telefongyar, Terta TRT, Export

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes

• 2000 Ohm.

• Price in first year of sale
• 6.00 Pengő

• Mentioned in
• -- Original prospect or advert (BAPO 21/a, 1928. január)

• Literature/Schematics (2)
• Márton Pál cég, Árlap Budapest 1928.

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

• Other Models

• Here you find 219 models, 204 with images and 55 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefongyar, Terta (TRT, Export = Orion); Budapest