For a room that is 14 feet wide and 16 feet deep (speakers on 14 foot wall) that continues into a kitchen for another 25 feet (still 14feet wide, but becomes tile in kitchen) with 9foot cielings will the m80v3 and 180 center be too big ? I am pretty much sold on them head urged against it here. Pairing them with svs sb12nsd sub. Should I.unprgade thy too? Max would be pb12 nsd. Thanks