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[Justin Myers]

Hello

I'm trying to find info on the use of 48db/octave slopes on crossovers.

I'm trying to set up a 3 way system using Itech HD and Itech amps.
So, Crown Itech HD amps on the Mid/Hi with FIR Brickwall filters as the overall extra latency is only 1ms. At the Mid/Sub crossover point the latency for FIR filters is too much so I thought using 48db/octave Linkwitz Riley filters.
Is the phase distortion for 48db/octave filters too much for practical use?

Thanks

Justin

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