• Country
• Hungary

• Manufacturer / Brand
• Távközlési Szövetkezet; Budapest

• Year
• 1965 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 220093

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Variable Reference Circuits TT-4109 [Neper] - Távközlési Szövetkezet;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 500 x 205 x 280 mm / 19.7 x 8.1 x 11 inch

• Notes
• Z= 6000 Ohm, 0 - 1 MHz.

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

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

• Other Models

• Here you find 7 models, 6 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Távközlési Szövetkezet; Budapest