good loudspeakers have their paper cones fixed to a heavy metal frame. Suggest why this is.
Answers
Loudspeakers are designed for faithfully reproducing the original sound field. Currently, the most commonly used loudspeaker design is the cone loudspeaker. For faithful sound reproduction, the relationships among the physical characteristics of the loudspeaker must be elucidated. One of the physical characteristics required for an ideal loudspeaker, assuming a constant input voltage, is a flat sound pressure in the frequency domain.A driver produces sound waves by rapidly vibrating a flexible cone, or diaphragm.
The cone, usually made of paper, plastic or metal, is attached on the wide end to the suspension.
The suspension, or surround, is a rim of flexible material that allows the cone to move, and is attached to the driver's metal frame, called the basket.
The narrow end of the cone is connected to the voice coil.
The coil is attached to the basket by the spider, a ring of flexible material. The spider holds the coil in position, but allows it to move freely back and forth.
Some drivers have a dome instead of a cone. A dome is just a diaphragm that extends out instead of tapering in.
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