A primer on Linkwitz-Riley crossovers

This was posted in another thread by keep_hope_alive and I thought it might be useful

http://www.rane.com/pdf/ranenotes/Li...ers_Primer.pdf

Attachment 3031

Something I've always wondered - is the "perfect" output of the linkwitz riley just due to the fact that the phase at/around the crossover point sums evenly?


As in, as long as you did the correct phase compensation (digitally, of course), any filter would also be able to have a 'perfect' output lobing?


And also that, speakers which are are coaxial are not affected (as badly) in this manner, as their sound sources exist at exactly the same point? As in, they would have different lobings, but the main lobe would always point straight out?

Quote:

---

Originally Posted by viewcart

Something I've always wondered - is the "perfect" output of the linkwitz riley just due to the fact that the phase at/around the crossover point sums evenly?


As in, as long as you did the correct phase compensation (digitally, of course), any filter would also be able to have a 'perfect' output lobing?


And also that, speakers which are are coaxial are not affected (as badly) in this manner, as their sound sources exist at exactly the same point? As in, they would have different lobings, but the main lobe would always point straight out?

---

This should explain it for you.
https://www.ranecommercial.com/legac...ers_Primer.pdf