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Single CS-Ultra Subwoofer $899.00 OUT OF STOCK
Pair CS-Ultra Subwoofer $1699.00 OUT OF STOCK

PB12–Ultra/2
Passive Cylinder CS-Ultra Series

Our original subwoofer line, the Cylinder Series (CS) is good. VERY good. An industry leader as a matter of fact. In the most affordable range we offer, there is really nothing you can buy which surpasses the CS models' performance. But some time ago we set out to make a "cost no object" subwoofer that would carry that same philosophy forward to a new price point. Along the way to development of that sub, our new SS model, we had produced a woofer that is SO good even we were astounded. It's expensive to be sure, so use in the SS line was a given, but we asked ourselves, "what if we modified our current enclosures and beefed up all the components to handle the intense stress this new driver can dish out"?

Well the answer is on these pages. The CS-Ultra takes technology gained from the just released SS line and packages it in a highly modified version of our mid-sized 20-39 enclosure (which makes them 39" tall and about 16" in diameter). What's new to see then? Very little actually. If you peeked under the top grill you would see our new "Tri-power" porting (three 3" heavily flared and patented  assemblies) but not much else. Inside however, you would not only see the beautiful Ultra driver, but totally redesigned custom-laminated, high-strength 1 1/2" Baltic birch  end-caps too. These are many  times stronger and more flex resistant than our original MDF components. Finally, you would hardly notice the new enclosure tubing that is made just for us. Smooth as glass, black polymer finished, and 50% thicker than our original tubing.

When you hear a CS-Ultra package fired up you'll understand why we needed to enhance the design of our tried and true cylinder design. These are frightening subwoofers. Brutally powerful, yet subtle, accurate and natural sounding, the CS-Ultra package will astound you with bass, the likes of which few have ever heard...at any price. Expect twice the performance of the standard twin 20-39CS package performance down low (a whopping 7.5dBs at 20Hz!). This is bass that doesn't just "hit" you. It pushes right through your body and keeps on going.

Available in limited quantities at still affordable prices, we originally introduced these subs only in matched pairs. Demand for single subs was tremendous however, so you can now buy "only" one, perfect for folks that longed for the power of a pair of "normal" CS subs, but don't have the space! Make no mistake, when properly calibrated (a fast and easy process) this package will be so supple, nuanced, and revealing you'll want to cry. Yet, when the dogs of war, beasts from hell, or other movie or music bass is unleashed you will be afraid, really. This system will exceed everything you ever expected from home theater bass. That's a promise from all of us at SVS. See...we've heard the CS-Ultra's...and even we are still grinning (which started right after the fear subsided). [more]

Package Upgrades
Better Cables Passive Rigs
Subwoofer amp interconnects for CS/CS-Plus, Ultra and SS

Starting at $28.00

Better Cables Interconnects
Subwoofer amp interconnects for PCi and PC-Plus/Ultra subs

Starting at $28.00

CS-Ultra Features [continued]

Parts is parts right? Maybe, but with SVS every part is the absolute best that can be made or bought in any given “price point”. In the CS-Ultra you are looking at a collection of very costly components in an enclosure that defines cost-effective. One of the top performing subs in the world, the CS-Ultra is more than the sum of it’s parts. What is arguably one of the best woofers in the world is only in this subwoofer and our “price no object” SS subwoofer. The base-plate is specially reinforced birch laminate needed to support the tremendous mass of the TC-Sounds super-woofer, and the port assembly essentially lifted from the SS itself (our Plus subs also share this feature now). We even went so far as to upgrade the binding posts to solid brass and gold versions…”just because”. The guts of our CS-Ultra below then. Our top performing, affordable sub.


SVS "TV-12" Super High Output Subwoofer Driver

  • Cast aluminum frame
  • Under-hung motor, voice coil stays in gap during max power
  • 97oz strontium ferrite magnets
  • Vented pole piece
  • High tension binding posts
  • Rigid Kevlar and aluminum cone
  • Inverted dust cap
  • Dual progressive Nomex spider with sewn-in tinsel leads
  • Integral rubber mounting gasket
  • 1" Santoprene surround capable of over 2" peak to peak excursion
  • Ultra high capacity 3" aluminum voice coil, with Kapton former
  • Copper shorting sleeve eliminates gap induction and reduces flux modulation distortion

Integrated Base Plate with Down-firing Woofer and Floor Mounts

No matter how your rock rolls, or how low your organ goes, the shockwaves emanating from that high efficiency woofer propagate out from a fixed platform, our integrated base-plate. Not the floor, and not your ceiling. When you're in the midst of your favorite action movie scene you might wonder if such a stylish, modern looking enclosure can can really move your home theater (without moving around itself). Fortunately for SVS customers, all the drama will be on screen, and all around you in gut pounding, accurate bass. Your subwoofer will serenely be belting it out at all the right moments. Rock solid. Utterly unflappable. Once again, form follows function at SVS.

Want another example of thinking outside the box? How about something simple, like putting our drivers in the preferred downward firing position. Easier said than done in a slender column oriented subwoofer! But doing it this way makes for the most stable enclosure. Its low center of gravity and an inherently well-protected woofer mean years of rock-solid performance. Bass that goes this low, starts there too.  Who needs a top-heavy sub?  Get SVS and forgetaboutit!

So maybe you have a hard floor and it's time to setup your sub? You won't find hard plastic feet or metal spikes that will  vibrate on your SV Subwoofer. Instead the default mounting configuration is a set of compliant disks perfectly suited for wood, vinyl or tile flooring. Because our subs have such a low center of gravity the same setup works just as well on thickly padded and carpeted floors too.


"Tri-Power" High Flow Ports

PortsOrdinary ports won't do to vent the intense pressures and frequencies of our ported subwoofers. These are heavily flared (both inside the sub and the outer flare, too) patented, high-flow ports. You can rest assured they are costly, but just because some makers skimp by without them doesn't mean any of your SVS subwoofers ever will.

CNC'd to mount flush with high-density seals, and flanked by enhanced hand laminated black finished Baltic Birch end-caps (a whopping 1.5" thick). You will want to keep peeking under our specially damped 15" black mesh grill just to see them.

If you think these look like highly engineered bass tuning ports... you'd be right, and our Plus and Ultra models come with three (yes three!). But how they sound, when coupled with an SVS driver, is something to be heard to be believed. Insert one of the included "port blockers" (one is inserted into a port area photo below) and you have taken your subwoofer nearly 5Hz lower in "tune". Drop it another few Hz by inserting two. Great for those intent on tweaking their sound as they want it in their room.


Gold Plated Brass Heavy Duty Binding Posts

Our CS and CS-Plus have nice, industry standard binding posts, but for this sub we looked all over for something more befitting the Ultra mystique. Here it is. Solid brass and gold. It costs three times as much but this is the CS-Ultra we’re talking about! We even go so far as to route a small platform so these posts sit perfectly flush and neat in the subwoofer enclosure. Add a set of optional Better Cables high-power interconnects and you’ll have a processor to woofer signal path that’s paved with nothing but the finest materials. Fitting we think.  Use spades, bare wire or pins (banana plugs do not have sufficient clearance).


Bettercables Interconnect

Step up to the CS-Ultra and you step up into the cable world too. With CS Ultra sub/amp packages we include top quality “Silver Serpent” wires terminated with Neutrik connectors. All expertly soldered and shrink-wrapped by the guys that have taken the audio and home theater market by storm, Better Cables.

For more information, click here.


Architectural-Grade. Black Fabric Exterior

Some audio enclosures and grills are made from some pretty cheap materials. At SVS we don't cut corners in an effort to increase profits. We just hand select excellent materials that we'd want (and have) in our own homes. Specially laminated and extra thick 1.5" birch baffles, and costly high-end fabrics. All still brought to you at affordable prices. And we think that logo is pretty hot too.

Contact Questions? Call: (703) 845-1472 or Toll Free (877) 626-5623 or E-mail us at: sales@svsound.com | Copyright 2005 - 2008 SVS
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Application Development: Robb McNabb
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