- Country
- Germany
- Manufacturer / Brand
- Koch & Sterzel AG; Dresden
- Year
- 1928/1929
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 15435
- Number of Tubes
- 4
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Various materials
- from Radiomuseum.org
- Model: NV447 - Koch & Sterzel AG; Dresden
- Notes
- Price in first year of sale
- 165.00 RM +
- External source of data
- E. Erb 3-907007-36-0
- Source of data
- Radiokatalog Band 2, Ernst Erb
- Other Models
-
Here you find 75 models, 42 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Koch & Sterzel AG; Dresden