Home About Events 2019 June 9-10 ALMA International Symposium & Expo AISE 2019 | Orlando, MA HEAR THE TRUEXENT DIFFERENCE AT ALMA AISE 2019 Materion is excited to speak with you at ALMA International Symposium & Expo in Orlando, Florida, June 9-10. ALMA is the premier symposium where loudspeaker and electro-acoustics professionals showcase new products, make connections, and expand their industry knowledge. Stop by Materion’s table (#20) to learn about Truextent material–our premium acoustic beryllium foil used to make domes and cones for high-end loudspeakers and headphones. Recognized around the world by OEMs and ODMs, Truextent diaphragm assemblies enable crystal-clear sound reproduction. Why use beryllium for acoustics components? Watch this video to find out.