Assertion: speaker's design | /r/CapableOf | require converting low frequency amplifier signal
Facets:
value: to mechanical air movement
type: TRANSITIVE-OBJECT
value: with acceptable efficiency
type: MANNER
value: with high fidelity
type: OTHER
value: effectively
type: MANNER
Source sentences:
text: Good woofer design requires effectively converting a low frequency amplifier signal to mechanical air movement with high fidelity and acceptable efficiency, and is both assisted and complicated by the necessity of using a loudspeaker enclosure to couple the cone motion to the air.