< GO BACK L-Acoustics Ai Series Powers Walter Pyramid in Long Beach Posted on 2022-06-22·By CI Staff Designed by Long Beach architect Don Gibbs and built by the Nielson Construction Company of San Diego, The Walter Pyramid cost approximately $22 million. Posted in: Acoustical Treatments & Sound Masking, Loudspeakers & Subwoofers, Sports Tagged with: acoustical design, challenging audio, loudspeaker systems, sports arena
