Dimensions for viola:
length: 315 mm
widths: 25.3mm to 47.5mm
edge thickness: 5.5 mm
top/bottom radius: 39mm/41mm
maximum depth of hollow under C/A string: 0.8/0.35mm
| Material parameters | Ebonprex | Ebony |
|---|---|---|
| Density t/m3 | 1.1-1.25 | 0.9-1.2 |
| Compression Hardness (MPa) | 60-63 | 40-60 |
| E-Module N/mm2 | >21.000 | 12.000-19.000 |
| Signal Speed (m/s) | 5000-5300 | 4000-5000 |
| Damping (Q) | 100-110 | 80-110 |