Contemplating a Sub - AVS Forum
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Old 09-01-2014, 10:19 AM - Thread Starter
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Contemplating a Sub

I'm familiar with the basic parameters of subwoofers and I'm contemplating taking advantage of the PE sale. But I'm not sure which of the approaches would be the best for my circumstances.

I have a pair of very capable mains that have TD-15Ms wt 500 wpc that are flat down to about 30 hz and currently have an old SVS PC+ sub. So I'm looking for basically < 30 hz performance.

My living room/av room is very small about 10'x12'. So ideally the sub should be as small as possible. Max dimensions are probably around 24x24x32 (W/D/H).

First option as I see it is some sort of sealed sub, possibly dual opposed.

Second a single driver wt some passive radiators.

Third keep the old sub and get some tactile transducers.

Given the size constraints, it doesn't seem like budget is going to be an issue, since there's only so much 1-2 drivers up to about 18" and power are going to cost.

Leading candidates would seem to be a LMS-R or Ultra, one of the RE XXX or a AE sub. But I'm not certain which one would be the best for the two primary sub options.

Maybe this for the tactile transducers?

http://www.parts-express.com/clark-s...haker--300-864

Any suggestions or options I'm overlooking?
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Old 09-01-2014, 06:03 PM
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how loud do you want to go?

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Old 09-01-2014, 06:19 PM
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The RE is not designed for small rooms and small boxes. Two sealed UXL-18 and an inuke6000dsp would be a good start and be small, otherwise you'll overwhelm the size of room with a big ported box.
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Old 09-04-2014, 04:01 PM - Thread Starter
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Quote:
Originally Posted by LTD02 View Post
how loud do you want to go?
I don't have a target number.

From what I know, I'm going to be primarily limited by the size of the box and number of drivers. Since with my limitations, nothing is going to be ideal for going loud and low, my goal is to maximize what I can get within those limitations and for < 30hz.

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Originally Posted by BassThatHz View Post
The RE is not designed for small rooms and small boxes. Two sealed UXL-18 and an inuke6000dsp would be a good start and be small, otherwise you'll overwhelm the size of room with a big ported box.
So you'd recommend a dual opposed sealed box. Sounds like a plan.
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Old 09-04-2014, 05:57 PM
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How about two Stereo Integrity HST-18's each in a 3 cft box?
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Old 09-04-2014, 10:09 PM - Thread Starter
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How about two Stereo Integrity HST-18's each in a 3 cft box?
I looked over the thread on the HST-18 and according to it (bottom 2nd page)

Stereo Integrity HST-18

Basically none were ever produced (I think 3 units).

If you mean the regular HT-18, the HT-18 looks like it would clean up in multiples, especially given the relative prices, but I have more money than space.

The UXL-18 has higher efficiency and greater xmax. So for a limited number of drivers I would think I'd be getting more out of them.

Last edited by G George; 09-04-2014 at 10:17 PM.
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Old 09-05-2014, 08:08 AM
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for a VERY small footprint, as stack of 4x12" drivers per cab would do quite well.


something like the subwoofer towers in the old infinity system might work.


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Old 09-05-2014, 08:27 AM
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Quote:
Originally Posted by LTD02 View Post
for a VERY small footprint, as stack of 4x12" drivers per cab would do quite well.


something like the subwoofer towers in the old infinity system might work.


How tall would the cab need to be for 4 12"? I assume you are talking about sealed?
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Old 09-05-2014, 09:04 AM - Thread Starter
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Originally Posted by LTD02 View Post
for a VERY small footprint, as stack of 4x12" drivers per cab would do quite well.

something like the subwoofer towers in the old infinity system might work.
Unfortunately for most of my potential locations (only about 2-3 possible really), I am also height limited as well. I have one spot where i might be able to put something like that though. I'll do some measurements when I get back from vacation.
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Old 09-05-2014, 09:26 AM
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Quote:
Originally Posted by G George View Post
I looked over the thread on the HST-18 and according to it (bottom 2nd page)

Stereo Integrity HST-18

Basically none were ever produced (I think 3 units).

If you mean the regular HT-18, the HT-18 looks like it would clean up in multiples, especially given the relative prices, but I have more money than space.

The UXL-18 has higher efficiency and greater xmax. So for a limited number of drivers I would think I'd be getting more out of them.
Their baaaaaaack!

http://www.avsforum.com/forum/155-diy-speakers-subs/1657465-please-welcome-back-stereo-integrity-hst-18-a.html

And they can do well in 3 cubes instead of the 4 the UXL needs.

About the same price (US) think.
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Old 09-05-2014, 09:42 AM
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"How tall would the cab need to be for 4 12"? I assume you are talking about sealed?"


only about as tall as the drivers and the cabinet thickness, so a little over 4.5 feet or so?

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Old 09-05-2014, 09:49 AM
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if you are that tight for space, maybe an infinite baffle would be worth exploring. they don't take up any room space.

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Old 09-06-2014, 01:11 PM
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Go with double sealed 18's either uxl or the lms drivers and all the power you can get in a box that fits your space. No less than 2000 watts per driver though. I run 1000 watts into sealed 15" ultimaxes and have never blown a driver. You are right that using multiples of less exspensive drivers is good if you have the space for them. Since you have less space go with the most excursion you can get and feed them loads of power.
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Old 09-14-2014, 02:37 PM - Thread Starter
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Originally Posted by LTD02 View Post
if you are that tight for space, maybe an infinite baffle would be worth exploring. they don't take up any room space.
I have thought about an IB, but I don't have any great place to put that either. I would have to basically cut a hole in my living room floor. Which is actually do able since there isn't anything really between the floor and ceiling of my basement. So I could conceivably build it into there, but I like to leave the door to the basement (corner of my living room where my stuff is) open since that's where I keep the litterboxes for my cats.

Its something I'll keep in mind for later. I suspect this will probably be overkill as is.

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Originally Posted by brian6751 View Post
Their baaaaaaack!

Please Welcome Back, The Stereo Integrity HST-18!!!!!

And they can do well in 3 cubes instead of the 4 the UXL needs.

About the same price (US) think.
Yes, he just revamped his website and they're on there now. They should do I think.
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Old 09-14-2014, 02:54 PM
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Just a curious question: Do you now or have you ever measured the room, with REW or any other good systems available?
Would knowing what you are actually missing wrt to FR in the room be of benefit in the sub selection/integration with mains process?
Do you have many sub placement options?
My small room is < 10 x 11 x 8 and one 24" BF THTLP with a BASH 300 thru my Yamaha 775 for a 7.1 set up (and 4 Aura shakers on the chair) is a "get'er done" proposition.

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Old 09-15-2014, 08:58 AM - Thread Starter
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Originally Posted by asarose247 View Post
Just a curious question: Do you now or have you ever measured the room, with REW or any other good systems available?
Would knowing what you are actually missing wrt to FR in the room be of benefit in the sub selection/integration with mains process?
Do you have many sub placement options?
My small room is < 10 x 11 x 8 and one 24" BF THTLP with a BASH 300 thru my Yamaha 775 for a 7.1 set up (and 4 Aura shakers on the chair) is a "get'er done" proposition.
Pretty much everything in the room that can have something there has something there. I am still working on my DIY mains, so I haven't bothered running REW until I do.

I have a mini DSP 4x10 I was thinking of using for room correction or bass management and a UMM-6 for measurement.

I have considered getting some sort of a tactile transducer and it was one of my initial option. But I haven't done enough reading on them to be able to decide on what to get with regards to that or if it would be a better fit. I'll almost certainly get something at some point.
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Old 09-15-2014, 11:22 AM
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^
wrt transducers
in my big room I put 2 of the 209 Clarks on a 3 seat couch powered by a BASH 300. Plenty good as an accent when it's called for, at least for me and my MLP.
The new Destiny game on the PS4 while already immersive with sound when I put the 12.3 into play, adds a good dimension with aiding and abetting the visceral
if budget allows, start at least with those and if you can , go "bigger".
it appears you have room for only 1 row of seats so as a percentage of budget, you should be able to get some good added environment
are you going to do a build thread once you figure things out?
we all like the pictures . . .

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