I’ve owned the Falcon IMF-100. You can get the kit or factory built for under 2 grand shipped ( no tax). They are sold factory direct only. They are a Transmision Line design. I received them in less than one week after placing order.
IMF 100 “Complete@Home” LOUDSPEAKER SYSTEM (falconacoustics.co.uk)
Review!
https://the-ear.net/review-hardware/falcon-imf-100-standmount-loudspeaker/