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Santa Clara, California-based Xmems has been in stealth mode since it was founded in October 2017. Now the company is aiming to replace voice coil speakers that have been around for a century.

Traditionally, speakers — whether in media rooms or earbuds — create sound the same way, using a combination of coils, magnets, and diaphragms.

Under normal operation, a speaker coil moves just a fraction of an inch. Mechanical failure can occur when the drive signal demands movement from the speaker coil that exceeds the design limits.

Speakers used to be largish electromechanical affairs, with magnets, moving coils, and paper cones all working together to move air around in a pleasing way. They’ve gotten much smaller, of c… ...

From the sound of it, it's not a very good speaker. But then, that's not quite the point. What's particularly cool there is that a team of Cornell researchers created the whole thing using 3D ...

Under normal operation, a speaker coil moves just a fraction of an inch. Mechanical failure can occur when the drive signal demands movement from the speaker coil that exceeds the design limits.

What I’d like to see someone try with a dual voice coil speaker is active distortion canceling. Apply a 180 out of phase pulse to one coil at the extremes of speaker motion.

Traditionally, speakers — whether in media rooms or earbuds — create sound the same way, using a combination of coils, magnets, and diaphragms. Multiple parts, multiple points of failure, and a high ...