| Model | SA-404 |
| Year | 80 |
| Watts rms | 50 |
| Harmonic distortion | 0.04 |
| IM distortion | 0.04 |
| Power bandwidth | 20-20 |
| Phono s/n ratio | 75 |
| Mono sensitivity | 10.8 |
| Capture ratio | 1.2 |
| Mono signal strength | 13.7 |
| Stereo signal strength | 37.2 |
| FM distortion | 0.15/0.3 |
| IF wide/narrow | 70 |
| FM s/n ratio | 70 |
| Weight | 18.5 |
| Price | 350.00 |