SVS SB17-Ultra R Evolution Sealed Cabinet Subwoofer (Open Box)

What are Open Box Products? OPEN BOX items are tested and certified to look and work like New. These products may have been returned to us by a customer or were on display in our retail stores. In most cases these items are in "Like - NEW Condition" and are fully functional. These products ship with all relevant accessories and will arrive in the original box.

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• All original accessories included, unless indicated.
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SVS SB17-Ultra R Evolution Sealed Cabinet Subwoofer (Open Box)

Experience unparalleled low frequency performance with the SB17-Ultra R | Evolution, the ultimate reference for sealed cabinet subwoofer design. Combining three decades of SVS expertise, cutting-edge technology, and advanced power management, this subwoofer delivers precise and powerful bass with unmatched accuracy and musicality. From cinematic soundtracks to musical bass, the SB17-Ultra R | Evolution flawlessly handles low frequencies with unerring control and fidelity. With its 17-in high-excursion driver and dual 8-in voice coils, paired with a dual mono-block STA-2800 amplifier and an unprecedented 295MHz Analog Devices DSP, this subwoofer sets a new standard for subwoofer experiences. Get ready to be blown away by the thunderous impact and lifelike sound of the SB17-Ultra R | Evolution, designed for the most discerning audiophiles and sound enthusiasts.

Product Highlights:

• Driver: 17”
• Amplifier: SVS STA-2800 Class D
• Frequency Response:
  • 15Hz to 320Hz +/-3dB

Subwoofer Specs:

• Piano Gloss Black and Black Oak Real Wood Veneer finishes
• Front Firing 17-inch high-excursion SVS driver
• Protective non-resonant extra-thick ABS grille frame with fabric mesh cover to shield driver
• Robust Medium Density Fiberboard (MDF) cabinet construction with internal bracing for resonance free performance at highest drive levels
• Screw-in Iso-elastomer feet reduce noise artifacts and improve stability
• Amplifier Rear Panel OLED and control interface provide fast and direct control of the most important features
  • Includes “Display Flip” function for viewing upside down from behind
• Dimensions (with grille): 20.0” (507mm) H x 19.5” (495mm) W x 21.2” (537mm) D
• Dimensions (without grille): 20.0” (507mm) H x 19.5” (495mm) W x 20.3” (516mm) D    
• Shipped Dimensions: 24.8” (630mm) H X 24.9” (633mm) W X 29.8” (757mm) D
• Weight (unboxed): 124.0lbs (56.25kg)
• Shipped Weight: 136.0lbs (61.7kg)

Driver Specs:

• Proprietary SVS 17-inch long-throw driver with high-precision tuned overhung motor configuration
• 9mm Xmax, 81.78mm Xmech precision aligned excursion
• 8” diameter Voice Coil with high current 4-layer bifilar copper-clad aluminum wire windings
• Dual Voice coil design captures power delivery from dual-mono amplifier outputs into a single voice coil for maximum acoustic output
• High Temperature glass-fiber composite former/bobbing
• Four-piece high-grade oversized Y35 Ferrite magnet motor produces effortless on-demand driving-force for subtle and over-the-top low frequency sonics
• Dual shorting rings reduce gap inductance and lower distortion
• Dual 25-strand copper-alloy and Nomex composite high-temperature leads woven through the spider provide a pristine electrical connection from the amplifiers to the voice coils
• Precision machined and narrow tolerance low carbon 1010 steel top-plate and oversized T-yoke with integrated pole-piece extension for optimal magnetics and thermal capacity
• Dual Nomex extreme excursion linear suspension spiders
• Custom injection-molded extreme-excursion catenary SBR rubber surround ensures flawless pistonic motion for pinpoint control and accuracy without distortion at reference drive levels
• Premium glass-fiber laminated dustcap and vented composite cone sub-structure with exceptional stiffness-to-mass ratio ensures a light, ridged, and neutral radiating surface about to move massive amounts of air with crisp precision
• High-density 17” Powder-coated cast aluminum basket FEA optimized for maximum rigidity, tensile strength, and energy transference
• Nickel-plated high-tension spring terminals provide secure connections

Amplifier Specs:

• Massively powerful SVS STA-2800 Class D amplifier design
• Dual-mono discrete Class D amplifiers generate endless power from eight massive 60A 200V MOSFETs, resulting in lower EMI and highest efficiency
• High resolution 295Mhz Analog Devices Audio DSP with double precision 56bit filtering. Over 5x the processing power of previous subwoofers, the most advanced subwoofer processor available for flawless low frequency audio reproduction
• Monitors every function of the amplifier ensuring precisely regulated clean voltage is delivered to and from the switch mode power supply and maximum current is pushed to the driver’s voice coils
• DSP Continuously runs complex power management algorithms and multi-point thermal, voltage, and current monitoring systems to optimize AC voltage delivery to the power supply for continuous peak performance with maximum performance and greatest efficiency
• Advanced digital audio processing and DACs (Digital-to-Analog Converters) with 120 dB Signal-to-Noise Ratio provide greater headroom, lower noise, and flawless fidelity
• All new Switch Mode Power Supply (SMPS) includes a two-stage 100v-240v full range active Power Factor Correction (PFC) to pre-regulate mains to solid 390V DC regardless of mains voltage or quality. Ensures a consistent 160V rail voltage for dual-mono amplifiers over a wide-range of AC voltages
• Onboard AC line conditioner filters and stabilizes incoming voltage, corrects waveform distortions, and eliminates electromagnetic and radio interferences to optimize signal quality
• Pioneering convective cooling plate design pulls cool outside air through vents at the bottom of the amplifier plate, flowing over the amplifier components and internal heat sinks, eliminating the need for an external heatsinks
• User auto EQ and DSP limiter settings specifically for the 17-Ultra allow the subwoofer to take control of a room and pressurize it with accurate, heart-pounding, acoustically tuned bass
• Unbalanced RCA 10kohm input impedance (compatible with consumer and professional audio up to 4Vrms inputs)
• Balanced XLR 14kohm input impedance (compatible with consumer and professional audio up to 14Vrms / +24dBu inputs) OLED and control interface with easy control of the most important features
• USB provides power for the SVS SoundPath Wireless Audio Adapter (sold separately) which eliminates the need for a cable run to the subwoofer from the source component.
• Auto/On and Trigger options through App for maximum installation convenience (3.5mm trigger Input 3-12V AC/DC)
• 5mm IR input for easy integration with control systems
• Green 0.5-watt low standby power consumption
• RoHS compliant, lead-free construction, world-wide safety

SVS App Features:

• Compatible with Apple iOS, Google Android, and Amazon Fire platforms, the industry leading SVS Subwoofer Control Smartphone app allows convenient and intuitive management of all subwoofer controls.
• The Analog Devices DSP supports a comprehensive menu of functions, including volume, fully adjustable low pass filter, phase, polarity, six PEQs, room gain compensation, tuning modes, power management settings, and more.
• Includes three convenient memory presets for fast and easy global system adjustments to match listener preferences.
• Subwoofer Auto Room Equalization (available via over-the-air app update soon)
  • Uses your mobile device’s built-in microphone to measure the acoustic performance of your subwoofer in your room
  • Automatically calculates equalization filters to optimize the subwoofer and room combined performance at your listening position
• Easy-to-follow tutorial provides clear guidance for all functions

Included Accessories:

• Protective non-resonant extra-thick ABS grille frame with fabric mesh cover
• Iso-elastomer feet
• Extra heavy-duty, high current 6’ power cord
• Quick Start Guide
• Our 30-day money back guarantee
• Black Oak MFR # SB17-BLK OAK
• Piano Gloss Black MFR # SB17-PIANO BLK

High-Excursion 17-Ultra R|Evolution Driver 17-inch glass fiber composite cone with 55 lb toroidal ferrite magnet motor assembly render massive low frequency output down to 15Hz with pinpoint accuracy and control.

8-inch Dual Voice Coil Dual voice coil design ensures stable and consistent transfer of motor electro-magnetic energy to the 17-inch cone to maintain precise driver control with maximum efficiency.

Dual Mono Amplifier Each of the two Class-D mono-block amplifiers with MOSFET output stages drives one of the dual voice coils to double the amount of current being fed to the driver achieving effortless output with lower continuous current demand from a home’s AC circuit.

Switch Mode Power Supply Time aligns the AC voltage to the AC current while filtering and stabilizing incoming voltage to optimize signal quality and audio performance.   

295 MHz Analog Devices DSP The most advanced processor ever used in a consumer subwoofer optimizes every aspect of subwoofer output and usability to maintain flawless performance and intuitive control.

SVS Subwoofer Control Smartphone App Most convenient way to control all DSP functions, including: volume, 6-band parametric equalizer, low pass filter, phase, polarity, room gain, port tuning, system settings, custom presets, and auto room EQ.

Acoustically Tuned Sealed Cabinet Design
Sealed cabinet with double thick MDF and rigid internal bracing creates a resonance-free environment for pitch-perfect accuracy free from resonances and coloration.