This is a set of recommended three-way, floor-standing reflex speaker design solutions for audiophiles.
Adopting high-quality 25mm titanium tweeter 25-1983 with a 75mm soft dome midrange 75-1558SH and extremely low 2nd and 3rd harmonic distortion 8-inch underhung woofer W8-2096B.
TB suggests the (high pass) crossover point around 2.5K Hz, and the mid-bass crossover point around 520 Hz, so each driver can perform at its own best.
This is an enclosure suggestion worth making for audiophile DIYers. From its process of making, you could have preliminary knowledge of speakers, and get the fun from it.