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Velodyne DD-series subwoofer

I am currently deciding between a Velodyne DD-15 or Velodyne DD-18 subwoofer for my home theater system. My room size, not yet confirmed, will likely be at least 15 x 20 feet and possibly larger if there is an adjoining kitchen and/or dining area (although there may be no adjoining area at all, so the room may only be that size or even a bit smaller or larger). The room height would be about 9-10 feet. I have a very good deal on all the Velodyne DD subwoofers, so the price difference between the subs are insignificant.

Music/HT is about 60/40.

Is there any reason NOT to get the 18" subwoofer? Is it possible it would be too large for my room? What is the smallest room for which the 18" sub should be used? How would two 15" subs compare to one 18" sub? Are two 18" subs feasible, at least for future upgrades?

I live in an apartment- it it possible to use an 18" sub without disturbing the neighbors? How about the 15"?

My equipment currently includes B&W804s and B&W HTM1, and will likely be using a Bel Canto 3-channel amp to drive them. pre/pro/surround amp is Yamaha RX-V1500, with B&W DS7 surrounds probably.

regards,
Brandon
no_slouch
avguygeorge
2,300 posts
 
Expect the police soon; thereafter. Maybe you have a movie they haven't seen?--This is a joke,right?????
tim916
52 posts
 
I use an Auralex Gramma under my sub and it does an excellent job of decoupling the sub from the floor. It only costs $60, too.
vladimir
346 posts
 
I also suggest the Auralex Gramma. And some common sense regarding volume.
no_slouch OP
48 posts
 
Sorry, I realize I sound like the newbie I am now - I've never really experienced a sub in someone's home before.

I can see from the responses that 15" is probably too much for me - more specifically for my neighbors. Walls are thick concrete here, and apartments are very well separated. I listen to music and watch movies at relatively loud volumes (I don't blast them, but at the same time i never think about the volume in terms of worrying someone might hear) on 6" floorstanders day and night, and my neighbors can't hear a thing.

I wasn't really going for decibels but rather for good bass extension at low volume, and I thought a larger subwoofer might give me that. I read other people's postings about how much a subwoofer can radically transform their system, so I wanted to go all the way and not feel I was missing bass at the bottom.

So I should go for two 12" subwoofers? Would I be sacrificing much separation of low bass notes and sounds? If so, how much, qualitatively speaking?
cytocycle
1,043 posts
 
at least you have concrete walls which will help! If you like it loud, then you might consider positioning the sub behind your couch (my 18" is now set that way and floated) and get a ButtKicker to get the impact of a loud sub plus the sound of a loud sub.

I would still do at least a 15 if you can afford it, you won't be there forever.. If that is not enough then buy a second one.
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