HSU Research ULS-15 MK2 Discussion Thread - Page 4 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #31 of 46 Old 01-27-16, 07:51 PM Thread Starter
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Re: HSU Research ULS-15 MK2 Discussion Thread

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Jim, how does this subwoofer compare to the vtf3 mk5? I understand it is the same sub but one is sealed and the other is ported. Which would sound best with music? Thanks
The ULS and VTF are not identical; the amp uses the same base module, but the driver is only similar and the DSP programming is quite different between the two. The end result is two subwoofers that are close in comparison, but somewhat dissimilar in execution.

There's no indication of the type of music you listen to - nor the room size - but assuming it's not something like hip-hop or dubstep... the advantage probably goes to the ULS, but maybe not by as much as you might think. The VTF is pretty nimble in its own right and can handle music very well, so regardless of which you choose I don't imagine you would be disappointed.

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post #32 of 46 Old 01-27-16, 09:04 PM
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Re: HSU Research ULS-15 MK2 Discussion Thread

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theJman wrote: View Post
The ULS and VTF are not identical; the amp uses the same base module, but the driver is only similar and the DSP programming is quite different between the two. The end result is two subwoofers that are close in comparison, but somewhat dissimilar in execution.

There's no indication of the type of music you listen to - nor the room size - but assuming it's not something like hip-hop or dubstep... the advantage probably goes to the ULS, but maybe not by as much as you might think. The VTF is pretty nimble in its own right and can handle music very well, so regardless of which you choose I don't imagine you would be disappointed.
Agreed.

The ULS would make the better music sub due to its higher output in the 30-70 range

Mine is no slouch though

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post #33 of 46 Old 01-29-16, 04:48 PM
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Re: HSU Research ULS-15 MK2 Discussion Thread

So I ended up purchasing the ULS-15 mk2 to put in my office. I do listen to pretty much everything with a huge emphasis on electronic music. The office is only 8 x 12 x 8 in size so I think the output should be enough for me. I think the near future I will consider a ported 15" variety sub for the family room which is 14 x 21 x 8 but the kitchen is open to it so I suspect getting pressurizing might be an issue. Thank you
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post #34 of 46 Old 01-29-16, 04:58 PM
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Re: HSU Research ULS-15 MK2 Discussion Thread

Jim, lookin at the pic you posted, does the cabinet have any internal bracing? I believe the PSA review you did recently also showed no internal bracing. Is that normal with the smaller cabinets? -Bob
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post #35 of 46 Old 01-29-16, 05:50 PM Thread Starter
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Re: HSU Research ULS-15 MK2 Discussion Thread

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bob_m wrote: View Post
Jim, lookin at the pic you posted, does the cabinet have any internal bracing? I believe the PSA review you did recently also showed no internal bracing. Is that normal with the smaller cabinets? -Bob
It's fairly common to eschew bracing if the cabinet panels are relatively thick. The small enclosure size means the panels don't resonate to the degree larger ones would, so frequently manufacturers will forgo bracing because it's not really needed.

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post #36 of 46 Old 01-29-16, 05:51 PM Thread Starter
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Re: HSU Research ULS-15 MK2 Discussion Thread

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spiroh wrote: View Post
So I ended up purchasing the ULS-15 mk2 to put in my office. I do listen to pretty much everything with a huge emphasis on electronic music. The office is only 8 x 12 x 8 in size so I think the output should be enough for me. I think the near future I will consider a ported 15" variety sub for the family room which is 14 x 21 x 8 but the kitchen is open to it so I suspect getting pressurizing might be an issue. Thank you
Does this mean you haven't received yours yet? If so, be sure you come back and post your thoughts after you've had the opportunity to get everything all tuned.

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post #37 of 46 Old 01-29-16, 05:54 PM
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Re: HSU Research ULS-15 MK2 Discussion Thread

I ordered it yesterday and should receive it on Wed. I will definitely post my thoughts.
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post #38 of 46 Old 04-26-16, 07:07 AM
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Re: HSU Research ULS-15 MK2 Discussion Thread

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The SB-13 is an over-achiever, no question there, but with a 13.5" driver it is at a bit of a disadvantage to the others with their 15" drivers. It can hang with the two of them for the most part, so if you don't push things to the limit it certainly is a good choice. The E15 is still my favorite among the three, but the ULS-15 is a real close second. Think 1a and 1b instead of 1 and 2. The best part is none of them is a bad choice; no matter which you went with you'd end up being happy. It's just which fits best for a particular situation.
while i have been reading the threads on this site for a long while, i do not post much. i just wanted to thank you Jim for all of your help. i am the proud owner of a dual pair of svs sb200 subs and must admit it is the best subwoofer that i have ever had! with that said, i will be upgrading to a dual pair of either the e15 or the uls-15. while i love svs subs and also realize that the sb13 ultra is a class-b reference sub, i felt that both the e15 and uls-15 were a little more 'musical' (tighter and quicker). due to cost the uls-15 is the front runner, but i had the e15 rated highest as well feeling that it would integrate a little better with the magnepan .7's. thanks again and please keep doing what you do!

Last edited by ceetee; 04-26-16 at 07:32 AM.
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post #39 of 46 Old 04-27-16, 06:07 PM Thread Starter
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Re: HSU Research ULS-15 MK2 Discussion Thread

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ceetee wrote: View Post
while i have been reading the threads on this site for a long while, i do not post much. i just wanted to thank you Jim for all of your help. i am the proud owner of a dual pair of svs sb200 subs and must admit it is the best subwoofer that i have ever had! with that said, i will be upgrading to a dual pair of either the e15 or the uls-15. while i love svs subs and also realize that the sb13 ultra is a class-b reference sub, i felt that both the e15 and uls-15 were a little more 'musical' (tighter and quicker). due to cost the uls-15 is the front runner, but i had the e15 rated highest as well feeling that it would integrate a little better with the magnepan .7's. thanks again and please keep doing what you do!
You're quite welcome. I'm glad my reviews and/or opinion have proven helpful to you.

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post #40 of 46 Old 05-09-16, 07:37 AM
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Re: HSU Research ULS-15 MK2 Discussion Thread

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I ordered it yesterday and should receive it on Wed. I will definitely post my thoughts.
really eager to hear your comments on the ULS-15 since i might be purchasing a pair.... thanks!
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