Assertion: speaker's driver | /r/CapableOf | provide more robust voice coils
Facets:
value: for higher sound levels
type: PURPOSE
value: for greater control of sound dispersion
type: PURPOSE
Source sentences:
text: Key design requirement differences are: mountings built for repeated shipping and handling, drivers often mounted to horn structures to provide for higher sound levels and greater control of sound dispersion, and more robust voice coils to withstand the higher power levels typically encountered.