Designs using certain drivers... How to search

I'm really bad at knowing all the advanced ways to correctly search on the internet. I have spent two days trying to find designs what utilize a couple of speakers I own. I have the 12 inch Kappalite LF woofers in a 3 cu ft enclosure, with endless loading options. Ported sealed all works. Even different size ports are possible.
I also own a pair of B&C 6md38 midrange. The plan is to make a 3 way pair of very high efficiency speakers. To keep it high efficiency, I figured I'd go active with DSP. I'm just trying to make sure there are not any designs already made using these drivers before I start. I also need to find a good hi frequency transducer of some sort. Whether it be normal tweeter, AMT, ribbon, Etc for a high efficiency design. Any suggestions on how to search for this would be very helpful. I don't mind doing the research I just don't know how very well. Thank you
 
With things like the 12 inch Kappalite, the word 12 inch would be a problem because people could write it 12", it could be one word or two etc. However the word kappalite is likely to be there exactly like that so use it.

Here you can search for threads with a word in the title. In the image I've attached the upper selector does that, and the lower one makes sure the search results are listed as threads. Otherwise leave them both as 'posts' to find every time someone has mentioned it.
 

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