"The technology relies on electrostatic principles rather than the traditional cone-and-voice-coil arrangement found in virtually every car speaker today. An ultra-thin, electrically charged diaphragm sits sandwiched between two perforated metal plates that function as electrodes. When audio signals pass through these plates, they generate a varying electrostatic field that pushes and pulls the diaphragm, producing sound waves. This approach eliminates the heavy magnets and moving coils that make conventional speakers bulky and placement-dependent."
"According to Warwick Acoustics CCO Ian Hubbard, these planar waves initially sound flat, lacking the soaring highs and booming bass of traditional speaker output. "We then perceive this as a sound that has begun further away, in some cases up to 30 meters from our ears, and thus representative of a venue much bigger than the physical size of the car cabin," Hubbard explains. The brain essentially interprets the acoustic characteristics as originating from a concert hall rather than a cramped interior."
Warwick Acoustics developed an electrostatic car speaker system that is 1mm thick and 90% lighter than conventional units while abandoning cone drivers. An ultra-thin charged diaphragm sits between two perforated metal electrodes; audio signals produce a varying electrostatic field that drives the diaphragm, eliminating heavy magnets and voice coils. The system emits planar, near-flat sound waves that lack immediate booming bass and pronounced highs, which human hearing interprets as increased distance. This perceived distance can reach up to about 30 meters, yielding a venue-like soundstage that makes the car interior seem much larger acoustically.
Read at Yanko Design - Modern Industrial Design News
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