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[mstan]

Are the low pass/high pass filters in PEQ Butterworth or Linkwitz?  The low pass sounds like a BW type with a hump in the curve.    Do I understand correctly that LinkwitzRiley 24dB filters can be created by stacking two BW 12dB filters of the same cutoff frequency?

[mattkhan]

They are BW2 and yes you can stack them to create an lr4

[mstan]

Thank you and for all your help on the other issues.   You know being able to get the sub crossover and the digital input to work under JRiver I can get rid of about $1200 of outboard gear and get better sound as well!

[mstan]

They are BW2 and yes you can stack them to create an lr4

Just to be clear, to create just a low pass LR4 in MC (I run mains full range so not high passed) I create two instances of the 12dB lowpass filters with identical crossover frequencies for the subs?

[mattkhan]

Just to be clear, to create just a low pass LR4 in MC (I run mains full range so not high passed) I create two instances of the 12dB lowpass filters with identical crossover frequencies for the subs?

yes