This is loaded by a large port - more like a hole in the box really:-) The crossover, as you can see, is a minimalist high-quality affair hard wired by hand and sits on the back panel of the speaker.

Both these speakers now sound like toy systems – small ... A tweeter can solve this problem, but integrating it with the large horn is difficult because of the center-to-center spacing. As with any ...

For this reason, a large part of the appendix is given to the analytical solution of sound propagation in exponential horns. From the results of this work and the well known equations relating first ...