• Country
• Switzerland

• Manufacturer / Brand
• Zellweger AG; Uster

• Year
• 1926/1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 112469

• Number of Tubes
• 8

• Valves / Tubes

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (MW) and Long Wave.

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ultradyne [200-2000 m] - Zellweger AG; Uster

• Shape
• Tablemodel, with any shape - general.

• Notes
• 8-Lampen-Ultradyne-Empfänger von Zellweger als Tischapparat, Empfang 200 bis 2000 m in zwei Bereichen; aufgeführt im 8-seitigen Faltprospekt "3-, 4-, und 8-Lampen-Hochleistung-Empfänger" von Zellweger etwa um 1926.

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 80 models, 59 with images and 25 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zellweger AG; Uster