The Speaker Q Calculator
This page will calculate the approximate Q of a loudspeaker from the rated coverage angles. To accurately calculate Q you really need to use a full 3D polar plot to identify the coverage variations compared to a true spherical coverage pattern.
Mc Squared System Design Group, Inc
323 - 901 West 3rd Street
North Vancouver, BC V7P 3P9
Phone 604 - 986 - 8181