Playing with multiple 3" full ranges as mids and ribbon tweeter

I got very good sound out of this kind of playyard which consists of
1. Tapped horn Sub cut at 40hz 54db 2. 15" long throw bass cutted at 370hz and 30db . 3. Triple Dayton PC83s connected series in vertical arrangement cut at 370 and 6200hz and 48db. 4.Dayton AMTPRO-4 ribbon tweeter cutted at 6700 and 48db. ( 6.5 inches Seases inpic are not in use). Result is very much preferring Steely Dan and such funky dry LA-studio sound style. Quality is so much better there is no way going back to use 6.5 inhces unless they could be combined somehow with basses to get more stage acoustics.
Those ribbons are extremely directional and are usable only as nearfield for one person. (But being is extremely good in that capacity) So next step is to deploy some other tweeters to cover more room.
Not related to previous: I wonder if there was any idea to arrage those full ranges as triangle and put classic tweeter in middle? Is there any added value in adding more PC83s?
Array of PC83 plus ribbon tweeter.PNG
 
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