This is reflected in commercial offerings as well.
We can be fairly certain that some of the published designs will sound very good, and others awful. It's highly likely that most of these will sound different from the others, although it's almost guaranteed that the designer will claim that his/ hers is 'better' in some way. A web search will reveal literally thousands of different designs, a great many of which are (at least superficially) quite similar. One of the most popular pastimes in the DIY audio world is building loudspeaker systems. 13 - Determining Dimensions From Volume.2.6 - Isobaric (With/ Without Port/ Vent).
