• Country
• Hungary

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

• Year
• 1926/1927

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 244239

• • Brand: Terta, TRT

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Loudspeaker
• - This model requires external speaker(s).

• from Radiomuseum.org
• Model: Dreiröhren Niederfrequenz Verstärker 4051 - Telefongyar, Terta TRT, Export

• Literature/Schematics (2)
• Gunter Crämer, Chronik eines Radioherstellers, Nürberg 2007

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

• Other Models

• Here you find 218 models, 203 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