Niron Magnetics Secures Funding to Accelerate Production of Rare Earth-Free Magnets

Niron Magnetics, the company pioneering the world's first high-performance, rare earth-free permanent magnets, announced it has received $25 million in new strategic funding from Samsung Ventures, Allison Transmission, and Magna. This investment will strengthen Niron's ability to expand its production facilities, scale manufacturing capacity for exclusive customer programs, and accelerate the commercialization of Niron's Clean Earth Magnet technology.

James Croft reviews two patents for a new type of subwoofer architecture. The first is intended for use in an automobile and the second, for use in a domestic listening room. The first patent relates to an “Acoustical Window Assembly for Vehicle,” while the second describes a home-theater solution using essentially the same concept, adapted to one or more home windows. Both patents were awarded to Magna International, Inc. This article was originally published in Voice Coil, October 2015.

This month’s edition features an overview of Acoustic Simulation of Audio Devices with Actran Software, Mike Klasco’s overview of Integrated Amplified Speaker Solutions and detailed Directory of vendors. James Croft reviews two related patents for a new type of subwoofer architecture. Test Bench examines a new 18” woofer from Precision Devices and the recently released 8” coax woofer/compression driver from Celestion.