SVS : PB-17 ULTRA (Piano Gloss Black)

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A quantum leap forward in design and performance with multiple groundbreaking innovations - the most formidable and sophisticated sealed subwoofer ever developed.

All-new 17-inch driver with first-ever dual 8-inch voice coils. The most powerful amplifier ever deployed in a consumer subwoofer with unprecedented dual mono-block design married to the extreme intelligence of a 295MHz DSP. All managed by the most sophisticated subwoofer control app, now with auto EQ room correction (available soon via over-the-air update).

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Born from three decades of SVS design expertise, PB17-Ultra R|Evolution is the pinnacle or ported subwoofer performance. A massive 17-inch driver with first ever dual 8-in voice coils driven by the most powerful amplifier ever deployed in a consumer subwoofer with DSP intelligence far beyond anything available. All married to advanced power management and auto EQ room correction. The benchmark for reference subwoofer experiences has arrived.

Breathtaking low frequencies with unerring accuracy, room-shaking output, and stop-on-a-dime control. The deep, chest-thumping slam of cinematic soundtracks and the delicate nuance of musical bass always rendered truthfully.

Whether heard or felt, low frequencies are handled effortlessly without sacrificing sonic fidelity and refinement. With extension to 12 Hz, far below the threshold of human hearing, PB17-Ultra R|Evolution brings sound to life with convincing, visceral, and jaw-dropping impact.

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Effortless Output from High-Excursion 17-inch SVS Driver

It was a ground-up process designing the largest, most formidable driver ever deployed in an SVS subwoofer. An all-new dual voice coil, suspension, basket, and extreme-excursion surround achieve chest-compressing sound pressure levels with flawless tonal accuracy.

• Lightweight and rigid 17-inch glass fiber composite cone with optimal stiffness-to-mass ratio for maximum efficiency and acoustic linearity
• 55lb four-piece toroidal ferrite electromagnetic motor generates massive force with precise control, remaining authoritative yet detailed and controlled
• Extreme-excursion catenary SBR rubber surround maintains pure, long-throw pistonic driver motion

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Unerring Control from Revolutionary Dual 8-inch Voice Coils

Unprecedented dual 8-inch voice coils ensure stable transfer of electro-magnetic current to the 17-inch driver for authoritative output and pinpoint driver control.

• 4-layer bi-filar dual voice coils conduct the massive power from the dual-mono amplifier to the motor with maximum thermal efficiency, resulting in effortless acoustic output
• Copper clad aluminum voice coil wire combines the best properties of both elements, yielding ideal thermal capacity and magnetic field strength

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First Ever Dual Mono STA-2800D Amplifier Design with Discrete MOSFET Output

The sonic muscle behind the most powerful and highest fidelity SVS subwoofer amplifier ever developed. SB17-Ultra R|Evolution STA-2800D features technological innovations never offered before in a consumer subwoofer amplifier with breakthroughs to ensure refined behavior and pristine response at any volume.

• Limitless headroom from dual mono-block Class-D amplifiers with MOSFET output stages
• Each amp drives one of the dual 8-inch voice coils within the motor to assert pinpoint control and maximize power fed to the driver
• Eight 60 Amp 200 Volt MOSFETs deliver extreme high current for reference-level output with maximum efficiency

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Performance Enhancing Switch Mode Power Supply

Regardless of the power coming out of your household circuit, the PB17-Ultra R|Evolution always maintains peak performance and remains impervious to voltage fluctuations.

• Onboard AC line conditioner filters and stabilizes incoming voltage, corrects waveform distortions, and eliminates electromagnetic and radio interferences to optimize signal quality and audio performance
• Ensures clean and consistent 160V rail voltage and optimal power delivery from a standard 15-amp home circuit
• Power-Factor-Correction (PFC) time aligns the AC voltage to the AC current resulting in less heat, greater efficiency, reliable peak power output, and the ability to maintain rated power over a wide-range of voltages
• FEA optimized convection cooling system has no exterior heatsinks, an extraordinary feat for such a powerful amplifier

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Extreme Subwoofer Intelligence – 295 MHz Analog Devices DSP

Orchestrating the cutting-edge amplifier, motor, and driver ecosystem is the most sophisticated DSP ever deployed in a consumer subwoofer.

• Accurately shapes in-room frequency response with absolute precision for faithful signal reproduction
• Monitors every function of the amplifier to stabilize AC voltage delivery to the power supply to maintain consistent peak output
• Multi-point thermal, voltage, and current monitoring systems ensures maximum output and efficiency
• Advanced digital audio processing and DACs (Digital-to-Analog Converters) with 120 dB Signal-to-Noise Ratio provide greater headroom, lower noise, and pristine fidelity

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SVS Subwoofer Smartphone Control App Now with Auto EQ Room Correction

Compatible with Apple iOS, Google Android, and Amazon Fire platforms, the SVS Subwoofer Control Smartphone app allows convenient subwoofer tuning and management.

• Controls for volume, low pass filter, phase, polarity, six parametric equalizers, room gain compensation, tuning modes, power management settings, and more
• Includes three convenient memory presets for fast and easy system adjustments to match your listening preferences – music, movies, night mode, and more
• Amplifier Rear Panel OLED and control interface provide fast and direct control of the most important features and includes a convenient “Display Flip” function

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SVS Subwoofer Auto EQ Room Correction

Achieves pristine fidelity by resolving all the acoustic issues caused by your room in a few easy steps.

• Automatically tunes subwoofer output using your smartphone microphone or an external microphone and the SVS subwoofer app
• Applies equalization, capitalizes on available room gain, and hones in-room frequency response at main listening positions for optimal in-room performance
• Will be available soon via an over-the-air SVS Subwoofer Control App update

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Specifications 

Frequency Response / Acoustic Data:

• 14Hz to 220Hz +/-3dB (standard mode – all ports open)
• 12Hz to 220Hz +/-3dB (extended mode – 2 ports open)
• 14Hz to 320Hz +/-3dB (sealed mode – all ports sealed)
• Roll-off slope specifically optimized to take maximum advantage of available room gain.
• 2-meter ground plane away from reflective structures (quasi-anechoic).​

Subwoofer Specs:

• Piano Gloss Black and Black Oak Real Wood Veneer finishes
• Front Firing 17-inch high-excursion driver
• Triple High-flow 4-inch ports
• Amplifier Rear Panel OLED and control interface provide fast and direct control of the most important features and includes a convenient “Display Flip” function.
• Protective non-resonant extra-thick ABS grille frame with fabric mesh cover shields driver to prevent damage while ensuring longevity.
• 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
• Dimensions (with grille): 25.0” (635mm) H x 21.7” (550mm) W x 29.3” (744mm) D
• Dimensions (without grille): 25.0” (635mm) H x 21.7” (550mm) W x 28.5” (723mm) D
• Shipped Dimensions: 30.2” (767mm) H X 27.5” (698mm) W X 38.4” (976mm) D
• Weight (unboxed): 164.7lbs (74.7kg)
• Shipped Weight: 186.1lbs (84.4kg)​​

Driver Specs:

• All-new proprietary 17-inch long-throw driver with high-precision tuned overhung motor configuration.
• 63.76lb (28.92kg) pound Woofer with 54.17lb (24.57kg) pounds motor
• 48.9mm 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 bass thrills.
• 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 Top-plate and oversized T-yoke with integrated pole-piece extension made from low carbon 1010 steel for optimal magnetics and thermal capacity
• Dual Nomex extreme excursion linear suspension spiders.
• Proprietary injection-molded extreme-excursion catenary SBR rubber surround ensures flawless pistonic motion for pinpoint control and accuracy without distortion at the highest 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:

• Sledge STA-2800D with 2800 watts RMS continuous power (6000+ watts peak dynamic power)
• High resolution 295Mhz Analog Devices Audio DSP with double precision 56bit filtering, with over 5x the processing power of our previous subwoofers, the most advanced subwoofer processor available for perfect audio reproduction.
• DSP 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.
• Dual-mono discrete Class D amplifiers create effortless and endless power from eight massive 60A 200V MOSFETs, resulting in lower EMI and highest efficiency while providing effortless power each voice coil, producing SPLs and low frequency output with pristine clarity well beyond reference listening levels.
• All new Switch Mode Power Supply (SMPS) includes a two-stage 100v-240v full range active Power Factor Correction (PFC) which pre-regulates mains to solid 390V DC regardless of mains voltage or quality, ensuring a consistent 160V rail voltage for the dual-mono amplifiers.
• Power-Factor-Correction (PFC) time aligns the AC voltage to the AC current resulting in less heat, greater efficiency, peak power output, and the ability to maintain rated power 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 and audio performance.
• New 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.
• Customer 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)
• 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)
• 3.5mm IR input for easy integration with control systems
• Green 0.5-watt low standby power consumption
• RoHS compliant, lead-free construction, world-wide safety certifications.​

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
• Subwoofer Auto Room Equalization (available via over-the-air app update soon)
• Easy-to-follow tutorial provides clear guidance for all functions