e/Dust cap

Information
has gloss	eng: The dust cap (also known as dust dome, or dome) is a gently curved dome mounted either in concave or convex orientation over the central hole of most loudspeaker diaphragms. It protects the inner mechanics (such as the pole pieces and the voice coil) from small particles (which can cause rubs) and other contamination. Dust caps can also contribute structural integrity to the voice coil assembly or the cone.
lexicalization	eng: dust cap
lexicalization	eng: Dust-cap
instance of	(noun) electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance speaker, loudspeaker system, loudspeaker, speaker system, speaker unit