Assertion: speaker | /r/HasProperty | deficient
Facets:
value: in treble
type: LOCATION
Source sentences:
text: A very directive (sometimes termed 'beamy') speaker (i.e., on an axis perpendicular to the speaker face) may result in a reverberant field lacking in high frequencies, giving the impression the speaker is deficient in treble even though it measures well on axis (e.g., "flat" across the entire frequency range).