OUR PART # XC3-QSC
The XC-3 is an active two-way crossover for use with bi-amplified loudspeakers. The unit mounts to the rear panel of a two-channel DCA, CX, or ISA amplifiers to save cost and rack space. The amplifier's DataPort provides the accessory's operating power and receives the crossover output signals, eliminating added external wiring or power transformers.
The XC-3 features 4th-order Linkwitz-Riley filters with 24 dB/octave slopes, with the low frequencies going to channel 1 and the highs to channel 2 of the amplifier. Each channel has an all-pass filter providing delay for time alignment of low-frequency and high-frequency drivers, as well as a trim control providing 0 to 20 dB of attenuation for matching levels among the various frequency bands.
To compensate for screen loss or equalize for constant-directivity horns, the high frequency channel offers up to 10 dB of boost at 20 kHz. Frequency and delay parameters for each channel are set individually. The XC-3 also has an elective low-frequency high-pass filter for use in combination with the LF-3 Low-frequency filter for three-way applications.
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