OK...Added 2 HSU ULS-15Mk2 subwoofers To My System


After unboxing , I put one next to each speaker on the outside edge just to get started.
Followed the directions to get a base point on adjustments and then I listened to a couple of very familiar  Lp`s

I found that these subs are VERY distracting.....In a good way 
Naturally (at least to me) when someone adds a couple of 15" subs to a setup they have a tendency to focus their attention on bass and all that.
But I was hearing  many new sounds and DETAIL too that I had never picked up on before.
These sounds are not 'bass territory'... how does a Triangle image so much further out to the side now ?  

The next morning I dragged my Adcom 575 CD player from the garage system and powered up the subs only and put the RHCP`s Californication on repeat for about 12 hours or so.

Then did the crawl and moved the subs around and listened on and off over a week or so and then did another crawl and made changes to the settings on the subs too.
Getting better for sure. I think HSU recommends 30 hours for break in.

So far I absolutely love these HSU subs for what they are doing for my music !

I`m also finding that the numeric volume display on the Tortuga Preamp is down a bunch from my usual levels.

So, I now have 3 15" sealed subs in the room, the HSU`s and my Revel Ultima 15

Lindsey Stirling's` Shatter Me' has never sounded so good !

scm

Showing 2 responses by noble100

Hello scm,

    I also want to officially welcome you to the 3-4 Sub DBA Club, "where near state of the art bass performance becomes a routine reality in any room and with any pair of main speakers you prefer."
    I didn't consider myself a bass-head either until I began using a 4-sub Audio Kinesis Debra DBA system in my system and room. Now I consider myself more of a bass connoisseur because I'm now able to hear the details of pitch, texture, initial impact, changes in volume and natural decays of all of the separate bass instruments in the soundstage clearly on all music tracks. It really adds to the realism and enjoyment of all types of music for me because I can identify and clearly follow any instrument's bass line I prefer to.  I'm not exaggerating when I state the 4-sub DBA is the best single upgrade I've ever experienced in any of my systems over the past 50 years.  
    I still believe we can describe to others how remarkably well this 3-4 sub DBA concept actually works in practice until we're blue and convince very few. But ironically, we all know about a 10 minute personal audition would convince virtually anyone.  Plus it works in any room and with any main speakers, even notoriously hard to integrate fast speakers like planar-dynamic and electrostatic types.
    I understand they don't know what they don't know, but I thought more members would be adventurous and daring enough to at least give it a try. Oh well, I guess a lack of adventure and ambition results in a lack of very good bass resolution and a lack of daring results in the apparent lack of caring about the absence of high quality bass performance.

Enjoy,
 Tim
Hello millercarbon,

     I remember you as being very interested in improving the bass performance in your system and room.  But also a bit frustrated with the sub solutions you had tried up to that point.
     I think you deserve credit for having an open mind, understanding well what Duke, myself and others were stating about how and why the 4-sub DBA concept was so effective and doing your own homework online about the principles underlying the concept.  You also had an adventurous spirit to not only give it a try, but you had the knowledge, ambition and wherewithal to go even further and build your own custom 4-sub DBA with upgraded drivers.
     Sure, you had a bit of help but, from my perspective, you deserve most of the credit for your own success and you earned the extremely good bass performance you can now enjoy daily for a lifetime.  I think it's also admirable that you're also now a very good advocate of the DBA concept and you consistently and constructively help others improve their in-room bass performance by sharing your knowledge and experience with the concept

Congrats and enjoy,
           Tim