(n.) An electrical circuit, either active or passive, in which filters are used to divide the audio frequency spectrum (20 Hz–20 kHz) into segments suitable for individual loudspeaker use. The wavelengths of sounds vary from over 50 feet at the low end to less than one inch at the high end. A crossover divides the signal into frequencies appropriate for each size of driver. A loudspeaker with two drivers, a woofer and a tweeter, might be crossed over at 800 Hz, splitting the high and low frequencies. Crossover circuits are characterized by their type, such as Butterworth, Bessel, and Linkwitz–Riley. (n.) An electrical circuit, either active or passive, in which filters are used to divide the audio frequency spectrum (20 Hz–20 kHz) into segments suitable for individual loudspeaker use. The wavelengths of sounds vary from over 50 feet at the low end to less than one inch at the high end. A crossover divides the signal into frequencies appropriate for each size of driver. A loudspeaker with two drivers, a woofer and a tweeter, might be crossed over at 800 Hz, splitting the high and low frequencies. Crossover circuits are characterized by their type, such as Butterworth, Bessel, and Linkwitz–Riley.
crossover
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