Crown DCi 8 600N Operation Manual page 46

Advanced Operation
Crossover Filters
The Crossover section lets you use infinite impulse response (IIR) Crossover filter.
Each audio channel has three separate places where filters can be placed in the
system: input EQ, Crossover, and Output EQ. Up to 16 EQ filters per
channel are available, plus crossover filters. Each filter has up to +/-24dB of gain.
The following filters are available:
• Lowpass & Highpass:
– Bessel 12dB/oct, 18dB/oct, 24dB/oct, 30dB/oct, 36dB/oct, 42dB/oct, 48dB/oct
– Butterworth 12dB/oct, 18dB/oct, 24dB/oct, 30dB/oct, 36dB/oct, 42dB/oct, 48dB/oct
– Linkwitz-Riley 24dB/oct, 36dB/oct, 48dB/oct
• Lowshelf: Low-frequency shelving EQ
• Highshelf: High-frequency shelving EQ
• Lowpass EQ: Variable bandwidth, can be expressed as Q (0.100 to 35) or Octaves (0.041 to 6.672)
• Highpass EQ: Variable Q from 0.1 to 25
• Parametric EQ: Variable Q from 0.1 to 35
Figure 42
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