I’ve just finished building a pair of Linkwitz Labs’ LX521 loudspeakers. They’re everything I could want: 4-way, dipole radiation, with active crossover and eq. They sound amazing. Previously the best speakers I had heard were the Pluto 2.1.
What I’ve done differently is to implement the xover/eq with a digital processor, which runs in software on a small pc. I did this using only open-source, free (as in beer) software, plus a bit of code I wrote myself. Continue reading