If they sound great to you, then that's all that matters.
I love the sound of Definitive Technology speakers - L, R, C, S, & Subwoofer.
A lot of them are 3-way: Subwoofer, Midrange/woofer, Tweeter.
Tom Nousaine measured the CLR3000 center speaker for Sound & Vision Magazine: 28 Hz - 20 kHz +/- 3dB. That is pretty darn excellent measurement for any speaker, not just center speaker!
Audition, audition, audition.