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Velodyne Digital Drive Series subwoofer in stereo


Hi, I've been very interested in running two subwoofers in stereo (diff. signals to each subwoofer); I've heard many people swear by this setup.

My next room for my system will be 14' x 14' x 18' high ceiling loft living room. My question is, will two DD10 be enough to fill the room with organ music and scare me out of my seat for movie tracks? Should I move up to two DD12s? Money is not really an issue, but I'd like to save wherever I can.

Any help would be appreciated. Thanks,
spacekadet

Showing 2 responses by caryb3c1

caryb3c1
3 posts
 
I'm just another guy on the internet, so my opinion is as good as the next. I would suggest that you check out the some literature on Richard Vandersteen's site as he is a big proponent of stereo subs.
caryb3c1
3 posts
 
As someone who has run a mono ULD-12 and then a stereo pair of them, I can tell you there is a difference. Just because the ear does not sense the direction of low frequencies, does not change the fact that the information in the low frequency signal may be (and often is) different between the left and right channel. Summing them to mono can and many times does cause cancellations and peaks due to phase cancellation.

As far as your professors having the answers, don't be so sure that because they are professors they have the answers. Ask them is two amplifiers that put out the same power sound the same? What about different speaker cables? Acoustic engineering is a specific field and just because you are an engineer proficient in EE or AE, doesn't mean you know squat about another field.
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