You could try looking up engineering papers
[Insert PDF diagram of line array box design]
Line arrays have become a popular choice for sound reinforcement applications due to their ability to provide even coverage and high sound quality. A 12-inch line array box is a common configuration for many sound engineers and system designers. In this essay, we will discuss the key considerations for designing a 12-inch line array box and provide a sample design. 12 inch line array box design pdf
If you need more on this topic do let me know
or
This PDF shows the detailed design of the line array box, including the enclosure dimensions, driver layout, and rigging system.
to get this into a proper PDF
Or manufacturer's data on loudspeaker systems