azryan, is this a sealed or vented system. If it is vented, you may need a combination of blackhole and styrofoam. The styrofoam would help you hit your target volume for a vented alignment and the blackhole would help damp out any resonances in the midrange. If it is a sealed system
your internal volume will be less critical. If you don't need the very last bit of bass extension you could use an aperiodic enclosure. I would experiment if you can and see which box design gives you the best speech intelligibility as this is the most critical performance parameter
of a center channel speaker. Good luck with your project. Scotty
