Assertion: speaker | /r/HasProperty | built with ceramic magnets
Facets:
Source sentences:
text: The first crop of speakers in the early 1950s used alnico magnets, which is why some people say they sound more “vintage” than speakers built with ceramic magnets.
text: The first crop of speakers in the early 1950s used alnico magnets, which is why some people say they sound more “vintage” than speakers built with ceramic magnets.