| Model | ST-C04 |
| Year | 80-82 |
| Analog digital | D |
| Mono sensitivity | 11.2 |
| Capture ratio | 1.0 |
| Selectivity | 60 |
| Mono signal strength | 17.5 |
| Stereo signal strength | 39 |
| Separation | 50 |
| Stereo harmonic distortion | 0.15/0.25 |
| S/N ratio mono / stereo | 78/73 |
| Weight | 4 |
| Price | 250.00 |