Hsu subwoofer zoning

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Content:

• Sub Help: Monolith vs HSU
• HSU or SVS in Canada
• Subwoofer Recommendations for a 2,500 cubic foot living room? (Monolith/HSU/SVS... 12" vs 15")
• Hsu Research Ventriloquist VT-12 system/STF-1 subwoofer.
• Subwoofers: The Guts and the Glory
• Have You Forgotten Your Password or Username?
• Monolith 10 vs. Hsu VTF-2 MK5 vs. Rythmik LV12F
• Hsu Research ULS-15 mk2 Subwoofer Review

WATCH RELATED VIDEO: HSU Research VTF-2 MK5 Subwoofer - Music Demos

Sub Help: Monolith vs HSU

David, aka Grumpy, needs our help. Great news. David is home! It was quite the ordeal to get him home and into the house, but it is done. Thank you to everyone for their support. Now a long road ahead to get him back on his feet and functioning normally.

I have started a GoFundMe to help with the medical bills. Please help, if you can. Discussion in ' Speakers ' started by bimasta , Jan 22, Log in or Sign up.

Messages: 5, I used floorstanding speakers with good deep bass as long as I can remember. For music, I prefer two subs because they image. The subs are Energy eXL-S8. They get rave reviews on AudioReview. The subs are ported. I sealed them and the bass is quick and articulate. Cellos and stand-up bass deliver distinct notes, actual melodies, a full range of dynamics, and sustained decay. Not just boom-boom. The cables connecting them cost many multiples.

I used to have it, I know how much musical value it adds, and I miss it. With hours woodworking, I can raise their height, use them as stands for the KEFs — and add about 1, cubic inches internal volume, nearly doubling it. Would this deepen the bass? My only interest is to extend the frequency lower and hear the music down there.

Messages: 2, Location: Western Colorado. Energy makes good subs. I have a 10" model that is pretty solid measured in room to 23 Hz. Woofers tend to work better in a vented box OR a sealed box depending on the driver design. Most subs that come in vented boxes use drivers that are best suited for vented boxes Qts of around 0. Sealed box sub drivers tend to have a Qts that is 0.

Increasing the size of your box may or may not make things better depending on the T-S Thiel-Small parameters of the drivers. If you can get ahold of those parameter values for the drivers, you can use an on-line box calculator to "simulate" what will happen with that driver in that size of box.

Just google vented box calculator and several will pop up. Short of that - your question is a bit tough to answer. Sealing the port is not recommended.

Without the proper information you are just shooting in the dark and results will usually be less than optimum. Remove your "port plug" and try moving the subs within the room. There are threads here on AK that will help you find the best location for your subs and it probably won't be where you have them now.

Thanks guys. As I said, I'm largely ignorant. I did know that sealing the ports would reduce deep bass somewhat, but I couldn't really hear that reduction.

And it did achieve what I sought: more tuneful bass, rather than home-theater one-note bass. I have two other larger subs, passive, in corners experimenting with distributed bass but I don't think they play any deeper.

As for the Energy subs positioning, I must compromise between appearance and maximizing subwoofer performance. Judging from all the functions and connection options on the amp, it was a very serious subwoofer, far moreso than my smaller ones. It was simply too big for my room — and I'd want a second one — and too heavy for my ailing back.

My room isn't small but it's not a dedicated music room, and the amount of space allocated to equipment mustn't be excessive.

So it seems I must be happy with what I have — and as I said, I am. I could be happier, but merely happy is a good thing. I suspect that your previous floor speakers might have had a low-mid bass hump that your current, and very good Kef s and subs, do not have. Thus, the absence of percieved bass. What were your old floor standing speakers and is the room the same?

Messages: 4, Erik Tracy , Jan 23, Speaker design is full of variables and compromises. Most drivers can work in either an Acoustic Suspension sealed or Bass Reflex ported enclosure, the variable would be the size of the enclosure.

The compromise is accuracy over low frequency extension. The designs you mention typically fall in between either "optimum". As an example, if your room requires placement near a corner, sealing the enclosure with the port plug may reduce some "boominess" that corner placement typically produces, while the open port may work better if the speaker is farther out in the room.

Another example may be sealing for music listening and maximum accuracy while removing the plug will add low end extension for movies or less critical listening. I didn't anticipate my question would lead to such learned and informative responses, but I underestimated AK.

All my friends said "Best speakers ever! A friend who'd played viola for years in both the Vienna and Berlin Philharmonic, listening to performances of his own recordings Bruckner 7 was one of them commented "Soundstage as big as Vienna!

Impressive as hell, but line-array arrangement put the drivers so far apart they never quite cohered I could hear each driver individually. Needed a larger space and more distance to achieve coherence. LE15 15" woofer, LE85 mid-range horns. The mids couldn't quite handle the highs, so I played with slot tweeters to extend the highs, but never seriously enough to get perfect integration.

A friend, a recording engineer who'd worked at many of the top recording studios in L. These are as good as it gets. Same recording engineer said "Best I've ever heard. Amps varied, both tube and SS. Mostly compared in the same room, but I moved so room-acoustics changed for one or two of the speakers listed above. So many variables! I expected that plugging the port on my little Energy subs would increase articulation, but also raise the bass floor — that would be the trade-off.

Trying it achieved the former, and I didn't hear any loss of deep bass, so no trade-off — but if it's only a couple of Hz, only measuring instruments could detect it, not my little human ears. Thanks again, to all of you for helping me out. So much appreciated Messages: 8, If you are running a simple 2. The cross-over should be low,low and more low, like 40 hz.

Let the mains do their job and let the sub-woofer be the helper. Its job is to get where the mains can't. WaynerN , Jan 23, Messages: 18, Location: Kent, Washington. As for accuracy of sealed vs. In short for a given driver size ,response and output the sealed has better transient response and the vented has lower distortion.

Some people are more annoyed by one flaw and some by the other. Tom Brennan , Jan 23, Messages: 2, Location: Rochester, NY. The question of sealed vs ported is often debated with little agreement. In my music systems I prefer the sound of AR's. It's probably more due to my music preferences than anything else. I listen mostly to jazz with those large double basses.

The AS speakers just seem to reproduce the bass walking up and down the scales better than my ported systems. Fortunately, my rooms are not big and I mostly listen in the range of. So the higher outputs achievable with ported designs means little to me, but I can appreciate how that can be very important to others. It is also very clear to me that ported designs will yield significantly more SPL.

Regards, Jerry. No, it sounds like you have it under control.

HSU or SVS in Canada

Everyone wants better bass, whether they realize it or not. Your local theater rarely dips under 40 hertz with any meaning, while many of these subwoofers will routinely drop to 14 hertz in room , which is likely lower than you can hear. If you have an extra-large room greater than sq ft , you may need to look at the bigger subs, while those with large rooms and smaller have no such limitations on this particular list, so long as you go dual like you should. You can always turn a sub down, and it should always be volume matched to your main speakers, regardless of room size. How I level match by ear.

Subwoofer Recommendations for a 2,500 cubic foot living room? (Monolith/HSU/SVS... 12" vs 15")

After feedback from customers who wanted a subwoofer that was friendlier to living room decor than the behemoth ported boxes and tall cylinder subs Hsu had been producing, Hsu Research released their first sealed subwoofer in The ULS Hsu had already built a solid reputation for deep-digging, accurate, and affordable subwoofers. Low sensitivity necessitates a powerful amp and heavy-duty driver, which raises costs considerably. So, in an effort to make their subwoofers affordable, Hsu had traditionally decided to compromise on size instead. However, a strong demand for subwoofers with a more attractive size and shape prompted Hsu to break with their tradition in the ULS While the ULS went on to successfully fill its niche in the Hsu line-up, the years went by and new technologies made a compelling case for an overhaul, which brings us to the ULS mk2. The ULS mk2 shares some of the same design features of the mk1, but also some important differences.

Hsu Research Ventriloquist VT-12 system/STF-1 subwoofer.

Get your popcorn. Sorry for the length. It's a discussion I've always wanted to have, but doing so in the venues I've had available to me before has always led to very dogmatic situations. Either live or on various internet forums, opinions vary wildly in content, and vary minimally in their passion.

Subwoofers: The Guts and the Glory

HSU Research is known in the Hi-Fi world as one of the premier subwoofer manufacturers in the industry. HSU Research began as a specialized deep bass research company in The VTF-2 is a rugged 10" subwoofer that works performs well in small to medium sized sealed enclosures. The Xmax of the VTF-2 is measured at 8 mm which is more than adequate for this wonderfully accurate driver. Add to that quick transients, and you have a subwoofer geared towards sound quality as well as impressive output. Javascript is disabled on your browser.

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Monolith 10 vs. Hsu VTF-2 MK5 vs. Rythmik LV12F

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Hsu Research ULS-15 mk2 Subwoofer Review

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John Smith. Peter Galbraith. Van Mog. Grant Harvey. VGT Vidz. None of the custom firms here seem to know about them. I'll contact these guys to see if I can hear the subs.

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