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Consumer Electronics by S. P. Bali

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HORNS

Outdoor speakers need the maxiumum efficiency, economic feasibility, and directivity so that sound is not wasted in directions where it is not needed or wanted. For these reasons, horns have become almost universal for outdoor installations: they provide natural weather protection; they are relatively high in efficiency; and they have a degree of directionality dependent on the constants in their design.

Horns come in all sizes and shapes, and are made of a variety of materials, metallic and plastic. Most of the smaller ones, suitable for paging, outdoor intercom, or low-level distribution, come with the driver unit as an integral part. The larger ones have removable drivers so that power can be increased, where necessary, by fitting a ...

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