Assertion: speaker's crossover | /r/ObjectUse | used in the orion
Facets:
value: at 120 hz
type: TEMPORAL
Source sentences:
text: My own experiments, and corroborative investigations of others, have convinced me that the 24 dB/octave acoustic crossovers used in the ORION at 120 Hz and 1400 Hz have no noticeable detrimental effect, though they change the shape of the signal waveform.