Next-Generation Rare-Earth-Free Magnets Are Coming
When a speaker development project is initiated, one of the first decisions is usually the magnet type — ferrite or neodymium — each one with its associated benefits, and problems. This article introduces the most promising alternative based on Iron Nitride (FeN), soon be available from Niron Magnetics, and offering the best characteristics of neo, without the supply chain drama, at a price point that rests somewhere between ferrite and neodymium. This article was originally published in Voice Coil, January 2022.