A lot of piccies here, possibly useless, haha.   Speaker internal dimensions, excluding mid/tweeter enclosure is 330w X 430 D. In the bottom woofer enclosure (assuming to is identical) it is 500mm to the upper baffle which has maybe a 50mm hole in it. Woofers are daisy chained, bottom going to top. Tweeters/mids have their own enclosure within the main box box with 45deg ends, 620mm long at the extremities, and internally 150mm deep, no porting except for wire pathway.   Some