Clean Earth Magnets Manufactured in Minnesota

Mike Klasco writes about Niron Magnetics' first commercial pilot plant in Minnesota. The opening of this 70,000 square-foot Minneapolis facility took place in October 2024 and is a key milestone in Niron Magnetics's path to scaled production of its Clean Earth Magnet technology and the company’s ability to bridge the acute supply and demand gap for permanent magnets. A significant step forward in the company's mission to produce sustainable, rare-earth-free permanent magnets.

This issue of Voice Coil is packed full of great knowledge for speaker professionals. The September 2023 issue features three Test Bench characterizations: the Fountek NeoCD2.0 Ribbon Tweeter, the SB Acoustics WO24TX-4 Satori midbass, and the SEAS L22ROY2 8" subwoofer. This issue also features our annual overview of Magnetic Materials for the Loudspeaker Industry. Peter Larsen (Loudsoft) concludes his FINE Circle tutorial with a passive crossover for his design. This issue of Voice Coil is now available in print, online, and in digital formats.