Oh I wasn’t aware they’re advertising the R2 and R6 as being used for LCR. I’ve heard many tweeter/woofer designed speakers can vary a lot in frequency response when rotated 90 degrees. Maybe the KEF UNI-Q driver avoids this with it’s concentric and waveguide design.

Either way, my recommendation would be to go with the R3s and use the extra money you would’ve spent on R2/R6 and put that money towards 1 or 2 subwoofers. All of these will greatly benefit from using a subwoofer, so if you’re getting a subwoofer anyway, might as well go with the R3.

Sounds like you’re trying to compare the R2, R3, and R6 - but the R3 are bookshelves and the others are center channels. Can you elaborate more if you’re trying to compare all three or just the center channels.

I’m awaiting my KEF R3 Metas to come in, I’m also upgrading from the Q series. Glad to hear you enjoy the R3Ms so much!

What kind of stands do you have them on?

Budget? Any other preferences to narrow down suggestions?