HARMAN: Line Array Calculator Iii Advanced - Subwoofer Arrays, Eds, Ground Stacks (Two Sessions) Presented by Chris Gavin, HARMAN Audio Expert Session 1 Date: Thursday, April 30, 10:00 AM CDT (3:00 PM GMT, 4:00 PM BST, 5:00 PM CET, 11:00 PM SGT) Register HERE Session 2 Date: Thursday, April 30, 8:00 PM CDT (May 1, 1:00 AM GMT,