Vortex Media VTX 1000 User Manual
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The ceiling loudspeakers may not be able to reproduce low frequency energy. Since the subwoofer handles
that job, we will remove low frequency energy from the ceiling loudspeakers via a Linkwitz-Riley high pass
filter has been assigned to Outputs 1 and 2. The cutoff frequency is 250 Hertz, meaning that below that
frequency, the signal will be attenuated at a rate of 12 dB / octave.
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