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2nd sub for center channel ?

A Tweeter salesman told me that if I wanted to have two subs to try the 2nd with the center channel if there is an OUT for it because there is so much info on the center.He said to then switch and put both on the sub out and decide which is best. First time I have heard that. Any comments ?
obrown
slipknot1
1,423 posts
 
Hmmm, I'll qualify my comments up front by saying that I am not that well versed in HT. That said, it is true that there is a lot of information contained on the center channel. In HT and film reproduction for the home that information is in the form of dialog and panning information. Very little in the way of LF information is directed to the center in a typical home HT setup. A 5.1 or 7.1 system uses the LFE out, the .1, to direct LF information to the sub. If you want to experiment with two subs, my first choice would be to use a sub for each of the two front speakers, or try using a sub to augment the rear channel information.
chadnliz
3,736 posts
 
I dont see that it is going to be all that useful, it is rare that even the biggest most expensive center channels go lower than 40-50HZ, IMO there would be alot more centers that go alot deeper if the center channel justified it or demanded it, it just doesnt seem to be needed, but your results are the only important isuue.
I use full range speakers in the front and a sub in the back wich is similar to using 2 subs and I really like the results, more of a 3d bass and being near the sub it really gives that kick you can feel (although my HSU sub will make you feel it wherever it is) all the same I like it better than when it was up closer in the room...good luck!
customht
15 posts
 
I'll second Slipknot1. There is a lot of info in the center channel, but its all dialog on DVDs, usually just vocals on 5.1 music recordings.

It depends on your speakers and room size whether or not you would gain any benefit from 2 subs. If you set your front speakers to small in your set-up you would gain nothing from running the front l-r or rear l-r through the second sub. If you set your speaker size to large and run them through the sub woofer than you might gain something. But it depends on how low your speakers go, and what cross over frequency your pre-pro is using.

If you feel your not getting enough kick out of the lfe channel, first experiment with the placement of the sub you have now, before buying a second.
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