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20-39 CS–Plus $575.00

PB12–Ultra/2
Passive Cylinder CS-Plus Series

The best of both worlds. These subs go nearly as low as the bottom trolling SVS 16-46's, and have nearly the sheer sound pressure level capability of the mighty 25-31's. Want bass as low as nearly anything goes, and want it to move you...literally? Get one, or if you dare (and have a large room) get a pair. You'll have more deep, accurate, and powerful bass than nearly anyone on the planet, excepting those who already have SVS's, and those who spent MUCH more, naturally.
  • Power handling, 500 watts RMS. 4 Ohm load.
  • 20 Hz tuning point
  • +/- 3 dB 20 Hz-100 Hz
  • 39" tall, 16" in diameter

Download the SVS CS-Plus Subwoofer Manual
Figure out your shipping cost!
See the 20-39CS response chart!

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

20-39 CS–Plus Features [continued]

Not quite sure where your sub's parts come from? How about a small factory in rural Ohio? The SVS CS-Plus is another example of a component set we're quite proud to highlight in detail. If a sub's brain is the amplifier, then the heart must be the woofer. The third generation Plus woofer (which we call the Plus 12.3) runs counter to virtually every trend in the industry: It's made by us, it's made in our Ohio factory, and we released it when we were good and ready, knowing full well that its predecessor was already unmatched in this price class. Oh, and it's expensive to make (but hey, you're worth it). More than ever it rivals its more expensive Ultra brother, taking the Plus legacy and upping the ante in every performance aspect a bit more. 


SVS "Plus 12.3" Subwoofer Driver, still more info

When you start out to better a design as good as the second generation SVS Plus woofer, you have your hands full.  The "old" woofer (called the dB12.2 in house and used in all Plus subs till late February 2006) was already the industry leader at this price point.  Typically rivaling drivers costing 2-3X as much, it was compact, reasonably good looking, with excellent durability and off-the-map performance exceeded only by our own Ultra woofers.  Make an even better Plus woofer, and keep the price the same?  It was a very tough task that might never have happened.  It took over 2 years of developmental work and experimentation with emerging materials and design, all put through a gauntlet of extreme testing in our R/D labs.   Every "old" performance chart was dissected; some beta-testers got into the feedback loop; rare failed second generation woofers we're put under the knife too.

It wasn't easy, or cheap, but our development team came up with a clean sheet of paper design that looks better, works better, and is more durable than the last Plus woofer.  Looking close, you'll see little touches like elegant black anodized finish that helps dissipate heat, evidence of special spider tooling which keeps that critical part aligned, with much more.  This is a woofer that'll keep its composure in anything from subtle, to extreme use.  Even less obvious, state of the art adhesives are expertly used in small batch building runs to maintain quality unlike anything we've ever done.  Rather than sub-contract this bread-and-butter component, all the custom design and assembly was done in-house, where production will continue.  In a day when whole product lines, whole brands, are routinely sent to lowest cost bidders overseas, your Plus woofer once again bucks the trend.

While our entry level ISD drivers remain the high-performance budget choice in subs like the PB12-ISD, if you can afford to step up a bit to the PB12-Plus, you will get more "bang for the buck" than ever.  Once again we can say, affordable performance doesn't get any better than this. What sort of driver does your old subwoofer have?

Features

  • Bi-filar wound, high-temp, 4-layer 2"aluminum voice coil with Mil-spec polyimide insulation
  • High temperature polyamide voice coil bobbin/former
  • Dual progressive poly-cotton spiders with integrated power leads
  • Custom tooled spider landing for increased lateral stability
  • Cast aluminum frame with integrated cooling vents – epoxy powder-coat finish
  • Chrome plated spring loaded push terminals
  • Integrated single piece rubber wrap-around gasket
  • Black anodized high grade aluminum cone diaphragm with inverted aluminum dust-cap  
  • High-excursion, custom SBR surround (Styrene-Butadiene Rubber)
  • Dual stacked select grade ferrite magnets
  • Low carbon 1008 steel single piece T-yoke and gap plate – electrophoresis finish
  • Absolute highest quality acrylic adhesives used throughout
  • Extreme excursion capability, enhanced efficiency and durability
  • Small batch, hand-built in SVS's dedicated Ohio assembly line

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.


Resonance Free, Protective Top Port Grill

No driver to damage up top there, but who needs the kids dropping their toy cars into your sub? Specially modified for total resonance damping, these stylish grills are as good looking as they are functional. Did we mention that the special damping features were added because we once detected a hint of harmonics emanating from the grill (on a special test tone)?? Yes, someone did sweat the details on the performance of each component in your next sub.  We're the largest user of these grills in the entire industry.  Some OEMs have people buy their own grills. 

We can't figure that out either.


Heavy Duty Gold Plate Binding Posts

Never will you see cheap spring-clip binding posts on a SV Subwoofer. We use heavy-duty brass "binders" that can take up to 12 gauge speaker wire, spades, or pins.  Due to base-plate clearances banana plugs will not fit on these subs.

Simple, high quality, and ready for plenty of power. They say "it's the little things that count". Here's proof we believe it.

If you really want to go "high-zoot" look to connect your sub with our exclusive Better Cables wire sets.  The perfect match for your SVS!


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 MDF baffles, and costly high-end fabrics. All still brought to you at affordable prices. And we think that logo is pretty hot too.


Pro-Grade Interconnect

Don't get the idea that because this is a "standard interconnect" there is anything "standard" about it! These one meter (about 3') cables are packed in with every SVS CS, and CS-Plus subwoofer package which includes a Samson amp. While not quite as fine as our Better Cables offerings, these cables are made just for us in the US with such niceties as gold center pin Neutrik RCA connectors, US-built 1/4" mono right angle jacks and beefy shielded pro-grade copper cabling.

We offer upgrades to Better Cables if you prefer to spend more (Better Cables interconnects come at no extra cost with CS-Ultra and SS subwoofer amp/sub packages), but really there is no need. See, most companies, if they even include a "pack in" cable, provide some pretty cheesy items in our experience. At SVS, our standard cables are probably better than most high end interconnects. So while you can go up from here, keep in mind that your CS and CS-Plus already come with some of the nicest interconnects you have probably ever used.

NOTE: Subwoofer systems ordered with one of SVS's equalizer offerings also come with a matching 1/4" to 1/4" pro-grade cable. CS-Ultra packages ordered with an equalizer include Better Cable versions.



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