These slopes are adjustable on most active crossovers, allowing a very gradual change between two drivers to a farly steep change. Setting a crossover requires knowledge of where the individual drivers of a speaker system are designed to cross over. This information is usually contained in the manuals for the speakers, and is sometimes printed on the back of the speakers themselves. Improperly set crossovers can, at best, make a sound system sound terrible, and at worst, destroy drivers. Specifically, no warranty is expressed or implied regarding the accuracy of the information contained within.
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