(Lots of hyphens in that title...I like it... I bet this topic has your full and undivided attention if you're here reading this.)
So let's get into the basic idea: crossing the ideas of Mr. Roy Delgado and Mr. Tom Danley on horn design, namely using a K-402 as the basis of a multiple-entry horn design--like the Unity Horn design of Sound Physics Labs.
[The Synergy Horn of Mr. Danley is still patented, but it reuses the exact physical design of the Unity horn 100% (which
Well, after looking through my disc collection for multichannel recordings looking for one that has a lot of center channel dynamics and high frequencies like cymbals and trumpets, I used a multichannel recording of Gordon Goodwin's Big Phat Band Swingin' For the Fences (which is one of perhaps 4-5 reference discs that I use for these purposes).
I've found that the Danley-style crossover without low pass on the midrange channel sounds definitely cleaner and clearer, much less harsh