I have a DLS-4000R arriving on Tuesday, and was considering buying a second does anyone know if these are stackable? Also, does anybody know how a PB12-NSD would compare to 2 DLS-4000R's. Here is another question for good measure...My current setup is a Mirage S-10, and a Dayton 10". I was going to get rid of the Dayton and use the Mirage as a sub to go behind my seating area. So basically 2 4000R's in the front and the S-10 in the back. Problem is I can't figure out how to connect 3 sub's. I am using a splitter in my current setup, but cannot figure out how to do 3. This may help with the second question. The room measures 15x22x10...but at about 4' up the walls (in the long direction) the ceiling heads inward at 45 degrees. This room is above my garage. This really cuts down on the overall cu.ft. so my guess is the sound from 1 10" and 2 12" subs may due well. I considered a 5000R, but I have read I would probably get more out of 2 4000R's. I am just not sure.

Thanks

I have a DLS-4000R arriving on Tuesday, and was considering buying a second does anyone know if these are stackable?

Looks like they should be stackable.

Also, does anybody know how a PB12-NSD would compare to 2 DLS-4000R's.

My assumption would be that the PB12-NSD would have much better extension and be stronger below 25hz. The stacked DLS-4000R's should have a good deal more output above that.

Here is another question for good measure...My current setup is a Mirage S-10, and a Dayton 10". I was going to get rid of the Dayton and use the Mirage as a sub to go behind my seating area. So basically 2 4000R's in the front and the S-10 in the back.

Sounds good...

I can't figure out how to connect 3 sub's. I am using a splitter in my current setup, but cannot figure out how to do 3.

Use two y-cables. One y-cable connects right at the receive and splits the signal once. One end of this splitter goes to a regular subwoofer cable to one of the Velodynes. The other end of the y-cable goes to another y-cable. Both of these ends connect via two more subwoofer cables to your remaining two subs.

This may help with the second question. The room measures 15x22x10...but at about 4' up the walls (in the long direction) the ceiling heads inward at 45 degrees. This room is above my garage. This really cuts down on the overall cu.ft. so my guess is the sound from 1 10" and 2 12" subs may due well. I considered a 5000R, but I have read I would probably get more out of 2 4000R's. I am just not sure.

You WILL get more out of 2 4000R's with everything above 25hz or so. The 5000R has a bit better extension. Though the PB12-NSD has much better extension than either Velodyne.

As far as having enough subwoofer for your room, I think that would be a great amount of bass. I don't think it's overkill, though...it's always preferable to have headroom you're not using than be running your subs at their maximum. You'll have cleaner, more accurate bass, with much better dynamics. Right now I'm running a PB10-NSD in my 11x10x8 room, and I have another that should be arriving in the next couple of days that I'm going to stack with it. BTW, I'll have impressions of that when I get it set up :D. If your goal is HT, I might recommend PB12 NSD's instead, because they extend quite a bit deeper, but stacked 4000R's with a nearfield S-10 should give you tons of bass power from about 22hz and up (maybe a bit lower, with room gain). It should certainly be very visceral :D. Enjoy, and be sure to give us updates.

I have a DLS-4000R arriving on Tuesday, and was considering buying a second does anyone know if these are stackable?
From the picture on the website, it looks like they should be. However, you'll want to put something between them to keep them from vibrating against each other.

IAlso, does anybody know how a PB12-NSD would compare to 2 DLS-4000R's.
The Velo goes to 25 Hz (-3 dB) and the SVS goes to 18 Hz (-3 dB). Even 2 Velo's won't get the same extension as one SVS. However, they *may* have more output above 25 Hz than 1 SVS.

Here is another question for good measure...My current setup is a Mirage S-10, and a Dayton 10". I was going to get rid of the Dayton and use the Mirage as a sub to go behind my seating area. So basically 2 4000R's in the front and the S-10 in the back. Problem is I can't figure out how to connect 3 sub's. I am using a splitter in my current setup, but cannot figure out how to do 3.
Just use another splitter. It won't hurt anything.

IThis may help with the second question. The room measures 15x22x10...but at about 4' up the walls (in the long direction) the ceiling heads inward at 45 degrees. This room is above my garage. This really cuts down on the overall cu.ft. so my guess is the sound from 1 10" and 2 12" subs may due well. I considered a 5000R, but I have read I would probably get more out of 2 4000R's. I am just not sure.
The 5000 has about 5X as much power as a 4000. 2 4000's will have a little more displacement than a 5000, but not as much total power pushing them. You *should* get more output from the 5000, but not much more. However, it only reaches 2 Hz deeper than the 4000, so it won't give you much extra extension. If you want "deeper" bass, the SVS is a better bet.

What you *will* get with 2 4000's is better FR across more seats, but this will only be true if you place them in different positions. If you stack them, you'll get ~ 6 dB more total output. If you don't stack them, you'll only get ~ 3 dB more output, but you'll get better FR.

Craig

Thanks guys for the info. I have been going insane reading these threads on what I should do. It seems like there is very little info (review wise) on the 4000R. I would love to invest in a SVS or an EPIK, or wait on a MFW-15. But, I always wonder if bass that goes that low (say below 23Hz) would seem un-natural. I am hoping the Velo. sounds just right. It seems there are so many avenues to go down today when it comes to subs. I just want a clean non-bottoming out bass. Hopefully the Velo can deliver.

Low bass can dramatically affect your experience. It's not so much "heard" as "sensed" or "felt". Really deep bass is tactile and can add a whole new dimension to the atmosphere of what is going on. It's the bass that can make the hair stand on the back of your neck. 23hz is getting down there, though, and with room gain, I'd expect you will get down to around 20hz, especially if you end up stacking two 4000R's. Those subs should adequately reproduce probably 99% of the bass material out there. I'd say listen closely once you get your 4000R. If you feel like you're "missing" something, maybe try the SVS. But if you're genuinely thrilled with its performance and don't perceive that you're missing out, just stick with the 4000R. A pair of them with the S-10 nearfield will pack quite a punch.

if I could have done it all over again, I would have chosen a pair of 4000's over a 5000.
but I was already stuck with a 5000, so I got a second one :)

they are stackable because they come with rubber feet.

a PB12NSD will go lower (18hz) vs. the Velo's (24hz subsonic filter limited)
a pair of Velo's will definitely be louder than the PB12NSD.

while the 5000 has a 1000w amp, I don't know if it can utilize that much power because the velo's 5000r driver is only 6 ohms. (instead of 4)
http://i14.photobucket.com/albums/a330/superribbit/subwoofers/th_CIMG0604.jpg (http://i14.photobucket.com/albums/a330/superribbit/subwoofers/CIMG0604.jpg)

I did however compare the 5000R to an Axiom EP500 (18hz f3 subwoofer) ... and found that the performance difference did not warrant the price difference.

Don't get too caught up by manufacture specs. Since there is no set standard of measurement in this industry, you should take them with a grain of salt. (I usually take mine with sugar when I'm having my morning coffee.:D) The 4000R's advertised tuning point is 25HZ, but it can produce reasonably good clean output(<10%) down to 20HZ. Even though the tuning point on the 5000R is advertised at 23HZ, oddly enough, it generates a lot more distortion below 25HZ then the 4000. The 5000R is really designed to produce a lot more output above 30hz cleanly. See link for more details. *(Note:The DPS12 offers the same performance as the 4000R)


http://home.comcast.net/~frank_carter/Nousaine.htm

Ian