Anyone else excited for this Borresen subwoofer?!!!

The DSL Matterhorn, as per the video, is actually a very large tapped horn which means both sides of the woofer cones are used for pressurization, so that the back wave of the cones build up down through the expanding horn path to the bottom of the container, and from there the horn path goes into a 180 degree turn to continue back towards to the container opening where the combined wave from both sides synchronizes with the front wave of the woofers at the "mouth." This is not what the Borresen sub is doing (i.e.: it only uses the front wave of the cone, added to the fact that it’s not horn-loaded), and the "velocity" rethorics to me reads more into merely creating a combined pressurization through the slot at the front. Lot of yada yada and hifi sensationalism if you ask me, but I actually like the approach being the multitude of smaller woofers will combine and act like a single, larger woofer, which to me is preferred route vs. several smaller, and spread out woofers.

It is a copy of the Sonos subwoofer and its very low end response below 30Hz will be limited although digital signal processing can improve this a little. The person speaking made one large mistake. He called the speaker a dipole. It is not a dipole, it is a bipole. With dipoles the rear wave is 180 degrees out of phase with the front wave. with Bipoles the rear wave is in phase with the front wave. Slot loading the drivers can produce impressive results. The problem with these enclosures is the four large side panels and the top and bottom will be difficult to control and will tend to resonate. It is certainly a design worth listening to. Like any subwoofer a 2 way crossover is required. I do not like smaller drivers trying to make low bass. They tend to have higher resonance frequencies which cuts off their response below and they are not in any way "faster" than larger drivers that do not have to work nearly as hard producing very low frequencies. The smaller driver tends to have higher distortion levels. There is no replacement for displacement. 

Subwoofers never fair better in the middle of the room. This is where their efficiency is lowest. Up against a wall you get 3dB better efficiency. In a corner 6dB better. This means lower levels of distortion. Some will say this increases room interaction, not if you use two or more subwoofers. If you form a line array with subwoofers you can minimize room interaction. My own feelings about the subject are here https://imgur.com/user/mijostyn/posts

@phusis ​​@mijostyn   All technical and sensationalist jargon aside...the simple ability to delay the mains, very easily accommodated in the multichannel or pro world to make life a whole lot easier...but, a freaking rarity in purist hifi.

@deep_333 Not at all! Many units out there give you the ability to adjust delay. The Aussies call it launch time. These include units by DEQX, Anthem, MiniDSP and Trinnov. It is an absolute necessity for sub integration.  

@mijostyn Are all your sources digitized? 

@phusis I had one of Tom's tinnitus inducing Tech 7 ServoDrive belt drive horns with the band for a few weeks. Brought it in the house and ran the source through the Velodyne's Rap EQ preset, OMG!

I hate to criticize anything I haven't actually listened to at home or at least on a familiar system. On the other hand there were some phrases coming from Mr. Borresen that triggered my yada whada? too. 

As a Double Bassist a single or 6 pack of -6dB sub-bass systems just don't go low.