Among the innovations of Bugatti Tourbillon, which is being developed at the new Croatian headquarters of Rimac, the fact that the car is not equipped with speakers poured curiosity.
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According to the Top Gear, Instead of using traditional speakers, Tourbillon uses piezoelectric elements that vibrate the car’s carbon fiber structure. Therefore, the Tourbillon chassis becomes essentially a large speaker.
To understand how cool this technology is, we need to understand how it works. First, it is noteworthy that traditional speakers use a magnet that receives an electrical signal, which in turn moves an electromagnetic voice coil back and forth.
Thus, the voice coil is fixed to some type of diaphragm, usually a cone made of paper or metal, which vibrates, amplifying the sound. Remembering that sound is nothing more than air vibrating.
Already a piezoelectric speaker uses a small crystal, such as quartz, to get the same effect. An electrical signal sent to the crystal vibrates some kind of diaphragm, usually a small piece of flat metal.
Some high fidelity speakers use this technology, but more often a piezoelectric speaker is just a small sound alarm.
In Tourbillon, the carbon fiber chassis is the diaphragm, so these piezoelectric transducers are designed to transmit vibrations directly to the box.
Rimac showed the Top Gear The piezoelectric element, which is fixed on the roof of the car. This is a small piece of metal, much smaller and lighter than a traditional speaker, which is usually much heavier.
“Believe me, the sound quality of that car is completely different from a chiron. So we save weight, space and improve sound quality,” says Rimac.
Photo and video: bugatti / youtube @topgear. This content was created with the help of AI and revised by the editorial team.
