Справочник Пользователя для Vortex Media VTX 1000

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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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