Bass response - how deep should my speakers go for a lifelike sound at home?

[Rodney Gold]

I have bought 4x Yamaha ns-sw300 subs , small subs, and am going to try the "swarm" approach, they should be here on thur or fri so will experiment over the weekend.. I wont high pass the G1's
http://www.theabsolutesound.com/articles...er-system/
http://www.enjoythemusic.com/diy/0812/di...d_bass.htm
I was thinking 6 subs , but 4 will do me for now ..