Hey all, it's been a bit. Thankfully it's because I've been busy, which means I may get to build again one of these days. This has led me to some more practical thinking about the project. To fully let these TB 6.5" subwoofers breathe, they need an enclosure I may not be able to provide for my space. Their power handling and sensitivity may also not be conducive to living room applications.
If I pursue the "forward facing subs in-baffle", my approach may come in phases, starting with a bass module. I already have some HiVi 3.1's in my living room on monoprice stands. I did some rough volume calculations, and the ~32 liter, 7.6x400mm (3x16") ported box could actually work really well as a stand for my HiVis...
I could build a sealed coaxial/fullrange and place the three boxes in a vertical sandwich as a first attempt at a tower. It would be 60.5" tall.
And if they're not great, I'll make a car sub out of them.
My real holdup on digging into this design in particular is the caution I have towards the Tang Band coaxial drivers. I still want to build a speaker that plays flat with point source imaging and quality dispersion. The added goal of full range is still something I want, but I think I'll have to get a separate sub until I own a house. In the meantime, I'm back to the drawing board with the
SEAS reed coaxial and
reed woofer. Not sure if I should just start another thread for that or rename this one to "idiot tries to make the perfect tower speaker with minimal practical experience please come help".
And, of course, I've already worked out the enclosures and some 3D mockups. They're not remotely finalized, but it's the minimum before I can take a project seriously. The coaxial should be in its own 7L sealed enclosure, with the paired woofers in a 28L with two 76x250mm (3x9") ports. Gives it an F3 of 55. I'm also considering raising the sensitivity by including a third woofer, in parallel with the coaxial woofer. Maybe not the best idea.
Anyways, I've really appreciated the help and suggestions along the way. This community is fabulous and I couldn't wish for more.