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Welcome! Need support, you got it. Or share your ideas and experiences.

RE: The older Magnepans also used a butterworth alignment for the mid to bass portion of the crossover.

No, I'm afraid not. :) Butterworth filter sections are maximally flat, but not the crossover alignments. Linkwitz-Riley, among others, sum to a perfectly flat amplitude response.

'Better break out the textbooks on various filter alignments and get yourself up to speed.

This is a page I've contributed to a few times over the years and it's pretty well sorted out now.....as Wikipedia pages go. Start with that and that'll get you back on track.

Dave.

https://en.wikipedia.org/wiki/Audio_crossover



Edits: 11/28/21 11/28/21

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