| Model | HxWxD (mm) | Weight (Kg) |
| 20 Key | 260 x 185 x 80 | 2 |
| 30 Key | 305 x 215 x 80 | 3 |
| 35 Key | 320 x 245 x 80 | 4 |
| 48 Key | 355 x 300 x 80 | 5 |
| 64 Key | 450 x 300 x 80 | 6 |
| 100 Key | 550 x 380 x 80 | 8 |
| 150 Key | 550 x 380 x 140 | 13 |
| 200 Key | 550 x 380 x 140 | 14 |
| 300 Key | 550 x 380 x 205 | 20 |
| 400 Key | 550 x 730 x 140 | 25 |
| 600 Key | 550 x 730 x 205 | 38 |
