| Country: United States of America (USA) | Manufacturer/Brand: Columbia Phonograph Co. Inc. |
| Year: 1928 | Type: Radio or Tuner |
| Valves / Tubes | 7: |
|---|
| Principle | TRF Tuned-radio-frequency (straight) general |
|---|---|
| Wave bands | n/a no information |
| Power type and voltage | Alternating Current supply (AC) |
| from Radiomuseum.org | Model: C-9 |
| Shape | Tablemodel, with any shape - general. |
| Notes | One dial (primary tuning control knob) |
All listed radios etc. from Columbia Phonograph Co. Inc.
Here you find 117 models, 55 with images and 49 with schematics.