Not sure if this is a quick question or not, but here goes:
Is it worthwhile to time align drivers in a 3-driver, 3 way speaker? As far as i understand it is to mitigate the vertical lobing that happens with multiple drivers, as well as get the phase tracking to line up. I can follow the vertical lobing part, but phase tracking is still unknown to me.
I've found a design by Troels called the Ellam Flex 3W that uses a very similar host of drivers to what i currently have hidden in a cupboard. I have the Seas W21EX001, SS 15M/4531K00 and SS D3004/66000, whereas his design uses the 22W/4851T00 and 15W/8530-K00. Tweeters are the same model.
Seeing as the 15M looks to have a similar cone geometry, if not identical, to the 15W, i thought it would be useful to emulate his design. I was contemplating using a similar crossover order and frequency
Only problem is that the stepped baffle leads to a damn ugly looking speaker. Doesn't appeal to my design sense at all, and they need to look half decent if they're going to be occupying the same living space as I am. I prefer them to look a touch more organic - more curves, less hard-edge geometry.