yes, most certainly.
just check out KEF Blade and you'll see how they've done it
https://ap.kef.com/collections/blade-serieshttps://www.stereophile.com/content/kef-blade-two-loudspeakerhttps://www.lbtechreviews.com/test/speakers/kef-blade-two
Acoustic Research did it with the AR9 in like 1978. Physics hasn't changed since then.
Why 4 x 6"? Go with a couple of 12".
I think over it but now I have 8 no of 8 ohm 6" sub for size and impedance matching series and parallel total 8 ohm
Fair enough. I often do projects with what I have on hand rather than what I could use. Mount them as close to the floor as possible to get the most out of the Allison Effect., basically making them radiate into half space for some small increase in LF efficiency.
Please post a design and build thread as there's a lot of expertise available here, and many just like to watch other people's projects.
I'm finally going to build my C21 version of the AR9 next year.
Brett, just in passing, I‘ve imagined a remake of the AR9 utilizing Morel’s TM-4055-8 dual dome tweeter/midrange array in place of the original AR9’s widely spaced domes.
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Be interesting to see what you come up with using that Morel dual dome. Not my cup of tea, and for myself I was speaking of general format, rather than a specific clone. I have a bunch of drivers in mind, or on hand, and am approaching it from a 'how would I build a similar format speaker with today's technology and drivers?'.
It does when you have to pay for it in a country where walnut is not native and you build larger speakers.
I do like it though.
Because I'm curious.
The driver centre to the floor is a small fraction of a wavelength in it's bandpass, so I'm curious how you're determining that it's somehow deleterious.