Three unusual loudspeaker systems providing specific radiation patterns were designed as part of the overall design of a sound reinforcement system for the High Court of Australia. The first loudspeaker is an acoustically curved line array utilizing 34 drivers; the second is an array of dipole loudspeakers, each housed in a trough; and the third is a short tapered line array using six drivers and a tweeter. Primary requirements for each loudspeaker were architectural shape and finish, radiation pattern, and frequency response. The integration of these requirements necessitated a holistic approach to the design. This paper discusses the design process, the hardware realization, and the performance of each loudspeaker.
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