I agree with Rives, depends on a lot of other things. There is no "one size fits all" answer. His link along with other usefull info. should help you decide on which may work best for your system and room.
This thread has some great info. on bass and speaker design along with what can happen as you try to blend the wrong sub with your speakers. While the thread is not about subwoofers..the principals apply for a smooth blend. http://forum.audiogon.com/cgi-bin/fr.pl?cspkr&1032037028&openfrom&61&4
Fast bass Slow bass is another good read...http://www.soundstage.com/maxdb/maxdb061999.htm
You may also want to do some reading at this AA forum, http://www.audioasylum.com/forums/rives/bbs.html
Dave
This thread has some great info. on bass and speaker design along with what can happen as you try to blend the wrong sub with your speakers. While the thread is not about subwoofers..the principals apply for a smooth blend. http://forum.audiogon.com/cgi-bin/fr.pl?cspkr&1032037028&openfrom&61&4
Fast bass Slow bass is another good read...http://www.soundstage.com/maxdb/maxdb061999.htm
You may also want to do some reading at this AA forum, http://www.audioasylum.com/forums/rives/bbs.html
Dave