Assertion: speaker's impedance | /r/HasProperty | many complex characteristics
Facets:
value: from an engineering standpoint
type: MANNER
Source sentences:
text: The impedance of a speaker is a physical property that (ideally) does not change value, although from an engineering standpoint, there are many complex characteristics that make up speaker impedance For this reason, the rating of a speaker is called its 'nominal' value, which pretty much means "in name only".