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We know that sometimes sorting out which speakers are just right for you can get confusing. That's why we're always here to answer your questions.

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Your SVS Bill of Rights: View All
SB13-Ultra parent
 

SB13-Ultra

1000 Watt DSP Controlled, 13" Compact Sealed Subwoofer
$1,599.00 Free Shipping!
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Designed and Manufactured by SVS!
Frequency Response/Acoustic Data:

SB13-Ultra Performance **Frequency response graph does not denote maximum output capability.
  • 2-meter ground plane away from reflective structures (quasi-anechoic)
  • Roll-off slope specifically optimized to take maximum advantage of available room gain
  • 20-460 Hz +/- 3 dB

Documents: Subwoofer Specs:
  • Cabinet Dimensions: 17.4" (H) x 17.4" (W) x 17.4"(D)
  • Overall Dimensions: 17.9" (H) x 17.4" (W) x 20.4"(D) (includes feet, grille, amplifier)
  • Weight (unboxed): 92 pounds
  • Shipped Dimensions: 23" (H) x 23" (W) x 27"(D)
  • Weight: 105 pounds
  • Rigid and braced MDF cabinet
  • Piano gloss black and real black oak veneer finish options
  • Front-firing driver
  • Protective non-resonant steel mesh grille
  • Power cord length: 8 feet.
Driver Specs:
  • SVS 13.5” high-performance Ultra driver optimized for sealed applications
  • SVS custom-tooled die-cast aluminum basket
  • Flat-wire, 3” diameter, high-power, high-temp, 8-layer, aluminum voice coil - unique to SB13-Ultra
  • Polyimide impregnated fiberglass former/bobbin
  • Dual 9", composite layered, linear roll, extreme excursion spiders
  • Integrated tinsel leads
  • Nickel-plated high-tension spring terminals
  • Proprietary injection molded gasket and parabolic SBR extreme-excursion surround
  • Composite pulp/fiberglass press layered cone with stitched surround
  • Low carbon 1008 steel components, electrophoresis black plating
  • FEA-optimized overhung motor structure with custom gap extension plate enhances force/displacement symmetry, lower distortion and increases linear stroke
  • Copper shorting sleeve reduces gap induction and distortion, and enhances thermal conductivity
  • Dual Genox 8H/Y-35 high grade ferrite magnets
  • Oversized pole vent for greater cooling and low noise
Amp Specs:
  • STA-1000D Sledge with 1000 watts RMS continuous power (3600 watts peak dynamic power)
  • High efficiency cool-running Class D switching topology
  • Detachable power cord with main power switch and ceramic fuse
  • RoHS compliant, lead-free construction and world-wide safety certifications
  • Auto-On / On switch with "green" standby mode
  • Stereo line-level RCA and balanced (XLR) I/O connections
  • Normal and Hi input voltage switch
  • Customized EQ and DSP limiter settings specifically for the SB13-Ultra
  • Fully adjustable (frequency and slope) phase-correct speaker/sub digital crossover
  • Intelligent Feature Control (IFC) with bright LCD display
  • Two (2) digital PEQs with adjustable frequency, cut/boost, and Q values
  • Room gain compensation control with adjustable frequency and slope
  • Adjustable digital delay on main speaker line-level outputs to time-align the speakers and subs
  • Input impedance - 24 kΩ (unbalanced RCA) / 22 kΩ (balanced XLR)
SB13 Ultra – Unmatched Sound Quality and Extreme Performance - Elegant Footprint
The SB13-Ultra delivers an outstanding combination of high-tech components and features, handsome aesthetics, extreme performance, and easy room integration. The SB13-Ultra is the finest subwoofer in its class, with unparalleled performance value. Mission accomplished - SVS style.


13 Ultra Driver - Optimized For Sealed Applications
SVS optimized the famous Ultra 13 driver for a sealed application by revising the motor geometry and adding a unique voice coil along with a custom gap extension plate. The result is higher thermal power handling, a more symmetrical force/displacement profile, lower distortion, and increased linear stroke. Only SVS is willing to push the envelope this far to achieve the SB13-Ultra performance goals.

Click on any photo to see a full, detailed image:

Ultra13-sealed side_800
Ultra13-sealed_ISO_front_800
Ultra13-sealed ISO_back_800
  • FEA-optimized motor with copper shorting sleeve to reduce gap induction and distortion.
  • Unique and optimized bifilar wound, 3" diameter, ultra-high-power aluminum voice coil.
  • Unique gap extension plate for additional linear stroke and reduced distortion.
  • Dual linear-roll spiders and stitched parabolic surround for extreme excursion capability.
  • Ultra-light and rigid Rohacell composite cone provides excellent transient response.

Sledge Amplification – Intelligent and Sophisticated PowerSTA-1000D front 800 The Sledge STA-1000D amplifier is a perfect match for the Ultra 13 driver, packing 1,000 watts of power and sophisticated DSP control. Comprehensive and extensive menu options are accessed via an intuitive single-knob interface with LCD display, allowing for easy set-up and integration into any home theater or stereo system.

The amplifier equalization curve is specifically optimized for the SB13-Ultra, resulting in a gradual roll-off profile which provides superb transient response and extremely low group delay. This roll-off profile also takes the most advantage of available 'room gain', and under optimal conditions the SB13-Ultra can extend to 15 Hz or deeper in-room.
  • 1000 watts RMS continuous power (3600 watts peak dynamic power).
  • Efficient, cool-running Class D power with 'green' standby mode.
  • Equalization curve optimized for enhanced transient response and to complement room gain.
  • Stereo line-level RCA and balanced (XLR) I/O connections for the ultimate in connectivity.
  • DSP control for the ultimate in refined behavior under all operating conditions.
  • Extensive menu options and digital crossover allows easy integration into any 2-channel system.
  • Intuitive and easy to use single knob controller with bright LCD display.
  • Learn more about Sledge Amplification Technology and Features

Premium Finishes, Handsome Styling, Versatile Placement Options, Easy Room Integration
Available in premium real wood veneer black oak or stunning piano-gloss black, and protected by an attractive and durable curved metal grille – the handsomely styled SB13-Ultra will complement any upscale décor and high-end theaters. At just over 17" on all sides, the SB13-Ultra offers versatile placement options and easily integrates into your living space. Weighing in at 92 pounds, the SB13-Ultra is robustly built with extra-thick CNC cut panels for the ultimate in rigid and resonance-free construction.
  • Premium real black oak veneer or gorgeous piano gloss black finish options.
  • Handsome styling complements upscale décors.
  • Versatile placement options and easy integration into any living space.

The SB13 Ultra – Calling All Audiophiles
Almost clinical in accuracy, the SB13 Ultra will reveal subtle textures and nuances lesser subs simply ignore. With unmatched transient response, quarter notes and complex bass lines are all delivered with toe-tapping rhythm and pace. Dynamic range is outstanding, with kettle drum and deep piano key strikes rendered with stunning realism. In mid-size rooms with a modicum of room gain, deep extension is fathomless.

In addition to its world-class music chops, the SB13-Ultra won't disappoint on movie night, shrugging off the most demanding DVD passages without breaking a sweat – "Regardless of the source material, the SB13-Ultra simply ties the experience together with brilliantly deep, taut and compelling bass." - Home Theater Review's subwoofer review.

Go ahead, spin your favorite CDs, vinyl records and DVDs. You'll discover the SB13-Ultra personifies sonic synergy - where the whole is greater than the sum of its parts. Experience audio immersion at its finest – exclusively from SVS.

International-CES-600x379
"Designed to deliver the most vigorous, versatile bass performance in its class, the new SVS SB13-Ultra subwoofer is a low frequency, high-output knockout offered at an unbeatable value, in a surprisingly elegant footprint."
International CES, 2013 CES Innovations Honoree, 11/12/2012. View Award
 
Home-Theater1
"No matter how loud I played it, I couldn't get the sub to bottom out or show any signs of strain. Furthermore, my room is more than 5,000 cubic feet, and I never once felt the subwoofer running out of headroom. That's pretty damn impressive."
Home Theater magazine names the SB13-Ultra subwoofer best 18 products of 2012, Review by David Vaughn, 1/6/2013. Read Review
 
avsforum
“…one of the very best subwoofers I have had the pleasure of spending time with… The way the SB13-Ultra goes about low end exertion is so utterly convincing that going back to most other devices seems like a bit of a letdown afterwards.”
AVForums, Review by Ed Selley, 3/13/2013. Read Review
 
widescreenreviewlogo
“...an exceptional multichannel loudspeaker system that is true to SVS' tradition of offering higher performance for the money through R&D and design... the SVS Ultras offer a level of price/performance value that is rare, if non-existent.”
Widescreen Review Magazine, Review by Gary Reber, March 2013. Read Review
 
electronichouse
“Designed to deliver vigorous, versatile bass performance, the SVS SB13-Ultra is a low-frequency, high-output knockout offered at an unbeatable value, in a surprisingly elegant footprint.”
Electronic House names the SB13-Ultra Best Products of 2013, 2/1/2013. Read Award
 
widescreenreviewlogo
"The SVS SB13-Ultra is an exceptional product that is true to SVS's tradition of offering higher performance for the money through R&D and design... this is an exceptionally high-performance subwoofer that can accurately reproduce the sound of music or movies."
Widescreen Review Magazine, Review by Gary Reber, November 2012 Issue. Read Review (PDF)
 
hometheaterreviewcom
“I found the bass to be authoritative, while at the same time complimentary to the mids and highs. From the bass guitar to the djembes and piano, every low-frequency element was well fleshed out and engaging… With a sub of this caliber, you'll surely make enemies of your neighbors, but you'll have so much fun doing so that it's totally worth it. The bottom line is that the SVS SB13-Ultra is a meaningful audio component that's worth every penny of its $1,599 asking price.”
HomeTheaterReview.com, Review by Sean Killebrew, 2/11/2013. Read Review
 
digitaltrends-logo 2
“No matter what we threw at this subwoofer, it came back with exactly what we wanted to hear... If there is a more perfect subwoofer in production today, we haven't heard it yet.”
Digital Trends, Review by Caleb Denison, 1/4/2013. Read Review
 
Home Theater Review Logo
“Dollar for dollar, the SVS SB13-Ultra is one of the best (if not THE best) subwoofers on the market. Powerful, deep bass. Equally adept performance for music and moves. The only way to make it much better is to buy two.”
The SB13-Ultra Subwoofer Receives HomeTheaterReview.com's Best of 2013 Award, 12/2/2013 Read Review
2012-HCC best buy1
 
hometheatershack
"It is not just the aesthetics. It is not just the power. It is not just the precision and it is not just the level of detail that can be heard in the VLF range. It is all of these things combined that make the SB13 Ultra my Sub Zone Reviewer's Choice. There is simply no better performing subwoofer in its class."
Home Theater Shack, Review by Dale Rasco, 10/27/2012. Read Review.
 
CanadaHiFi
“…the value it delivers in terms of build quality and performance at this price is, in my opinion, unmatched. In terms of features, it offers more than many subwoofers at twice and even three times the price.”
Canada HiFi, Review by Malcolm Gomes, 9/30/2013. Read Review
 
secretsofhometheaterandhighfidelity
“It plays loud and deep with extremely low distortion. But it also has the ability to deliver finely nuanced bass with textures and dynamic shadings that are quite rare even by today's standards… It is quite frankly an engineering juggernaut.”
Secrets of Home Theater and High Fidelity, Review by Jim Clements, 6/5/2013, 2013. Read Review
Best of 2013
 
Home cinema choice logo
“The bass from the quartet of 8in drivers and that weapons-grade hammer of a bass driver is wondrous. Rapid beyond belief, with astonishing grip and literally no overhang at all... But there's more than just an iron grip and lack of bass boominess - this is a whole package of loveliness...the SVS system's midband and effortless, soaring, clean and pure highs were able to entertain as well as unnerve.”
Home Cinema Choice, Review by Adam Rayner. Read Review
2012-HCC best buy1
 
bigpicturebigsoundlogo
“I couldn't believe how low this SVS could go. More importantly, I was struck by how clean and nuanced the bass is at even its lowest levels... It is far and away the deepest and most detailed sub I've had the pleasure of listening to in my home theater.”
Big Picture Big Sound, Review by Greg Robinson, 3/5/2013. Read Review
 
SoundnVisionBristol
Clarity Alliance announces SVS/Primare as the “Best Home Cinema Room 2013.”
Best of Show Awards, Sound & Vision - The Bristol Show 2013. View Award
 
areadvdmain
"SVS SB13-Ultra - The 1000 watt "Sledge" Hammer in a compact form"
Area DVD, German Review, 10/26/2012. Read Review.
 
realhtinfo
"The performance sealed category just got some ferocious competition. I highly recommend it."
Real HT Info, Video Review by Marshall Guthrie, 9/5/2012. Read Review.

No matter how loud I played it, I couldn't get the sub to bottom out or show any signs of strain. Furthermore, my room is more than 5,000 cubic feet, and I never once felt the subwoofer running out of headroom. That's pretty damn impressive.

David Vaughn
Home Theater Magazine
Press Reviews | Customer Reviews

Quick Specs

Dimension17.4"h
17.4"w
17.4"d
Weight92lbs
Amplifier1000 watts RMS
(3600 watts peak)
Woofer13.5"
Port Size & #N/A
Freq.Response20-460Hz ± 3dB
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The SB13-Ultra Has Been Added to Your Cart

You've taken the first step! Once your order is complete we'll work with you to arrange shipping, provide setup guides and answer any questions you may have.

Now here's an optional accessory to get your system working when you open the box. Or skip to your cart.

Soundpath RCA Subwoofer Cable
High quality single RCA-RCA audio interconnect cable.
$24.99
Add to Order
SoundPath Subwoofer Isolation System
Screw-In Elastomer Isolation Feet, Fits Most Subwoofer Brands, Includes Popular Thread Sizes/Lengths.
$49.99
Add to Order
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