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I'm planning my first 3-way design and I've been thinking to use the midrange driver in a open baffle. I made the design by myself but unexpectedly someone at this forum had made a 3-way very close to what I was planning for.Referring to this:http://www.audiocircle.com/index.php?topic=44431.0This is what I'm going for:http://koti.mbnet.fi/twisted-/3way/model.gifAny help, comments and advices are appreciated!
I really don´t understand why somebody would want to combine a 360° monopole radiation pattern in the bass with a 360° dipole pattern in the midrange and a 180° monopole pattern for the tweeter. You simply can´t get a flat on axis response AND a comparable in-room response this way. Regardless how you try. Grant, at least you should follow "zipidachimp"s proposal to dipolize the bass area too.
There are arguments on both sides for monople woofers combined with dipole mids. It depends on mid/woofer crossover point, room size, woofer cut off frequency and other design objectives such as power matching between mids and woofers.
Are you sure you aren't making this more complicated than it is? with my simple OB project, I've got diana krall sitting next to me singing her heart out, same with the late pavarroti, sonny rollins, bill monroe and a whole slew of others. come on in, get your feet wet, you'll be amazed what an OB can do, even a simple one. start with the mjk project and go from there. http://www.quarter-wave.com/General/OB_Design.pdf