• Country
• Switzerland

• Manufacturer / Brand
• Sondyna AG; Zürich-Effretikon

• Year
• 1969 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 138867

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave, more than 2 x SW plus FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Arena T2500 - Sondyna AG; Zürich-Effretikon

• Shape
• Book-shelf unit.

• Notes
• Varicap Diode-Tuning für UKW. Hergestellt von Hede Nielsen A/S, Horsens, Dänemark mit Marke Herofon - siehe auch Ingelen.

• Source of data
• - - Data from my own collection

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

• Other Models

• Here you find 177 models, 112 with images and 115 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sondyna AG; Zürich-Effretikon