Assertion: high quality violin | /r/CapableOf | vibrate at frequency
Facets:
value: better
type: DEGREE
value: because of an effect
type: CAUSE
value: around 2-3 khz
type: OTHER
Source sentences:
text: Since the early 1980s it has been known that high quality violins have vibrated better at frequencies around 2-3 kHz because of an effect attributed to the resonance properties of the bridge, and now referred as the 'bridge-hill' effect.