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<blockquote data-quote="Art Welter" data-source="post: 24784" data-attributes="member: 52">Re: Steering advice for those serious about DIY speakers.In addition to the difficulties you mention, if the coaxial horn is independent of the cone, reflections from the cone off the back of the horn will cause peaks and dips that need to be addressed. Some of those problems can be helped with damping materials surrounding the horn, those materials become part of the passive crossover. Change those materials, and a new crossover needs to be cooked up.Another difficulty is the fixed distance between the two co-axial drivers, a separate horn and driver allow some spacing leeway for time alignment. A longer or shorter horn can be chosen, woofer front or rear mounted, facilitating time alignment at the acoustical crossover point . With a fixed driver to driver relationship, time alignment needs to be done with passive components, very tricky and increasing the parts count.And all those increased parts interact with each other, fix one problem and two others often pop up, and no program written can account for all the complex interactions.</blockquote>

[QUOTE="Art Welter, post: 24784, member: 52"] Re: Steering advice for those serious about DIY speakers. In addition to the difficulties you mention, if the coaxial horn is independent of the cone, reflections from the cone off the back of the horn will cause peaks and dips that need to be addressed. Some of those problems can be helped with damping materials surrounding the horn, those materials become part of the passive crossover. Change those materials, and a new crossover needs to be cooked up. Another difficulty is the fixed distance between the two co-axial drivers, a separate horn and driver allow some spacing leeway for time alignment. A longer or shorter horn can be chosen, woofer front or rear mounted, facilitating time alignment at the acoustical crossover point . With a fixed driver to driver relationship, time alignment needs to be done with passive components, very tricky and increasing the parts count. And all those increased parts interact with each other, fix one problem and two others often pop up, and no program written can account for all the complex interactions. [/QUOTE]

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