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Table 9.
Design differences between bass- and treble-group kemenche: Material and structural predictors (regression coefficients) with their acoustic and musical consequences. Data synthesizes results from Sections 3.2 and 3.3.
| Binary group | Key predictors | Acoustic effect | Musical role |
|---|---|---|---|
| Bass-oriented | Ivy/plum wood (9.28%), thick soundboard (0.31 mm) | Lower fundamental frequencies; potential coupling with Modes 2–3 (227–378 Hz) | Providing the drone foundation in Black Sea folk repertoire |
| Treble-oriented | Mulberry (8.6%), thin nut (−159.02 coefficient) | Higher Mode 7 frequencies (867 Hz); greater high-frequency spectral content | Projecting the melodic line in lead playing |
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