| Model | SA-GX770 |
| Year | 94 |
| Watts rms | 100 |
| Harmonic distortion | 0.05 |
| IM distortion | no data |
| Power bandwidth | no data |
| Phono s/n ratio | 70 |
| Mono sensitivity | 11,2 |
| Capture ratio | 1,9 |
| Mono signal strength | 17.3 |
| Stereo signal strength | 37.3 |
| FM distortion | 0.2/0.3 |
| IF wide/narrow | 65 |
| FM s/n ratio | no data |
| Weight | 22 |
| Price | 500.00 |