There are many types of materials used in loudspeaker glass fiber cones, generally two types of natural fibers and man-made fibers. Natural fibers are usually made of cotton, wood, wool, silk, etc., and rayon is made of rayon, nylon, glass fiber, and the like. Since the paper cone is the sound radiating device of the speaker, the sounding performance of the speaker is determined to a considerable extent, so no matter which kind of paper cone, it is required to be light and rigid, and cannot be deformed due to changes in ambient temperature and humidity. .
The speaker glass fiber cone includes chemically bonded nanomaterials such as carbon nanotubes. The carbon nanotubes can be combined with a functionalizing agent having a chemical group that is chemically combined with one or more papermaking additives, such as a sizing agent or wet strength agent, dry strength, with chemical groups Resin-containing or cellulose-containing papermaking blank materials such as pulp, which are commonly found in plastic, glass speaker cones. Acoustic-related speaker operating characteristics can be altered by the addition of nanomaterials chemically bonded to the speaker glass fiber cone, such as the hardness-to-weight ratio and acoustic damping of the speaker glass fiber cone.
The fiberglass cone of the speaker is wound on the paper tube in two layers with a very thin copper wire. Generally, it is wound around several tens of turns, also called a coil, and placed in a magnetic gap formed by the magnetic core and the magnetic conductive plate. The voice coil is fixed with the paper cone. When the sound current signal enters the voice coil, the voice coil vibration drives the paper cone to vibrate.
