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Plan a rectangular grid from ceiling height and rated coverage angle.
← All Paging & Emergency Audio toolsInputs changed. Calculate again to update the estimate.
Radius = (ceiling − listening height) × tan(angle / 2). Maximum square-grid spacing = √2 × radius.
Idealized circular coverage on a level listening plane. Square-grid spacing covers cell corners geometrically. Use the manufacturer’s angle at the relevant frequency; verify uniformity, intelligibility and obstacles on site.
Manufacturer reference ↗Planning estimates support equipment selection. Final design, equipment ratings and site-specific requirements must be verified before installation.