• Country
• Finland

• Manufacturer / Brand
• Dux, Helsinki

• Year
• 1928/1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 278925

• Number of Tubes
• 4

• Valves / Tubes
• A409 A43 XD4 P410

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Power type and voltage
• Storage and/or dry batteries

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Kolibri - Dux, Helsinki

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 320 x 178 x 171 mm / 12.6 x 7 x 6.7 inch

• Author
• Model page created by Timo Rantasaari. See "Data change" for further contributors.

• Other Models

• Here you find 15 models, 15 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dux, Helsinki