| Country: Switzerland | Manufacturer/Brand: Sondyna AG; Zürich-Effretikon |
| Year: 1969 ? | Type: Radio or Tuner |
| Transistors | There are transistors, but the number is unknown: |
|---|
| Principle | Super-Heterodyne (Super in general) |
|---|---|
| Wave bands | Broadcast, Long Wave, more than 2 x SW plus FM. |
| Power type and voltage | Alternating Current supply (AC) / 220 Volt |
| Loudspeaker/pwr.out | 2 Loudspeakers |
| from Radiomuseum.org | Model: Arena T2500 |
| Material | Wooden case |
| Shape | Book-shelf unit. |
| Notes | Varicap Diode-Tuning für UKW. Hergestellt von Hede Nielsen A/S, Horsens, Dänemark mit Marke Herofon - siehe auch Ingelen. |
This model was suggested by Ernst Erb.
All listed radios etc. from Sondyna AG; Zürich-Effretikon
Here you find 155 models, 81 with images and 81 with schematics.