SVS PB17-Ultra R|Evolution
The SVS PB17-Ultra R|Evolution unleashes foundation-shaking bass with startlingly low distortion, combining 15Hz reach, massive headroom and agile, non-boomy control. HomeTheaterHifi highlights its deep, physical impact and flexible app-based EQ, while Audioholics praises its high-fidelity speed, extension and punch. This is flagship ported performance for serious cinema and music systems.
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Deliciously Crispy
Bass
96/100
Integration
94/100
Dynamics
96/100
Build Quality
94/100
Features Usability
93/100
Value for Money
95/100
Pros
Delivers immense, physical low-frequency impact with useful output to 15Hz and exceptionally high output from 30Hz upward.
Maintains remarkably low distortion and controlled, non-boomy bass even at demanding listening levels.
Extensive app-based tuning, including parametric EQ, phase and port-mode adjustment, supports precise room integration.
Cons
Its 165-pound, large-format cabinet demands serious floor space and careful installation.
Advanced adjustments beyond basic level, crossover and phase controls rely on the mobile app.
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What Reviewers Are Saying
Assessments of Build Quality, Usability, and Overall Propositions.
Bass
96/100
Reviewers describe bass that is genuinely physical, from spaceship engines that can be felt to organ-pedal notes reproduced loudly enough to feel "down to my toes." HomeTheaterHifi measured useful output to 15 Hz with low distortion and a response that remains reasonably flat to 20 Hz, while Audioholics found exceptionally high output from 30 Hz upward. It is not presented as an infrasonic-output specialist below its roughly 16 Hz tuning point, but within its intended range it combines immense depth, authority, and unusually clean control.
Integration
94/100
The PB17-Ultra is repeatedly described as controlled rather than boomy: HomeTheaterHifi says its deep-bass harmonics do not make the sound boomy, and Audioholics calls it a quick-reacting, high-fidelity subwoofer rather than a conventional output-chasing home-theater box. Audioholics also reports very low group delay, supporting the impression of clean, well-defined bass that should blend naturally when properly set up.
Dynamics
96/100
This is a standout strength. HomeTheaterHifi calls its performance "foundation-shaking," cites massive raw power, and says it will handle anything a surround processor can send it; Audioholics likewise reports huge continuous output and abundant kick and punch from 30 Hz upward. The listening impressions suggest serious headroom and impact without the sense of strain that can accompany extreme output.
Build Quality
94/100
Audioholics describes the PB17-Ultra as "very, very well built," noting the substantial internal bracing needed to support its exceptionally heavy motor assembly. The review evidence points to a seriously engineered, heavy-duty enclosure and driver system, though there is little direct discussion of long-term durability or finish quality.
Features Usability
93/100
The app-based controls are a major practical advantage. Reviewers highlight the precise adjustable filters, phase settings, and especially the flexible parametric EQ, which can be used to flatten response across the available port-tuning arrangements. HomeTheaterHifi also praises the app's EQ and flexible options, making the extensive adjustment capability useful rather than merely decorative.
Value for Money
95/100
At $2,999.99, HomeTheaterHifi calls the PB17-Ultra R|Evolution "one of the best subwoofers on the planet," unusually strong praise for its asking price. Audioholics also notes the $3,000 delivered price positively while emphasizing its enormous output, advanced control options, and substantial construction. The reviews portray it as an exceptionally competitive flagship-class ported subwoofer rather than simply an expensive one.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
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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 • Unique bidirectional feedback shows adjustments in real time on both app and subwoofer interface. • 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 • 3 Foam port tuning plugs • Extra heavy-duty, high current 6’ power cord • Quick Start Guide
Manufacturer's Description — SVS
A quantum leap forward in design and performance with multiple groundbreaking innovations - the most formidable and sophisticated ported 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 SVS Auto EQ room correction.
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
Unerring Control from Revolutionary Dual 8-inch Voice Coils
Unprecedented dual 8-inch dual voice coils ensures stable transfer of electro-magnetic current to the 17-inch driver for authoritative output and pinpoint driver control.
- 4-layer bi-filar dual voice coil conducts 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
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. PB17-Ultra R|Evolution STA-2800D features technological breakthroughs never offered before in a consumer subwoofer 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 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
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
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 system 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
SVS Subwoofer Smartphone Control App Now with SVS 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
- Variable Port Tuning modes with included port plugs enable customized frequency response curves for Standard, Extended, and Sealed to allow tuning for maximum output or deep bass extension and transient speed
- Amplifier Rear Panel OLED and control interface provide fast and direct control of the most important features and includes a convenient “Display Flip” function
Subwoofer Output Tuned to Your Room - SVS Auto EQ
Rooms have a major impact on subwoofer performance. SVS Auto EQ analyzes your listening environment and optimizes subwoofer output for your specific space using the SVS Subwoofer Control App and a smartphone microphone or optional external microphone
Key Benefits
- Simple over-the-air update and guided setup in minutes
- Optimized performance across multiple listening positions
- Smoother, more balanced and musical bass
- Improved frequency response and tonal accuracy
- Acoustically optimized room gain for deeper extension and greater impact
- Reduces localization, peaks, and nulls caused by room acoustics
Interested in learning more? A list of FAQs about the new SVS Auto EQ feature is available here
Verified Dealers
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Authorized dealers for SVS PB17-Ultra R|Evolution
- Abt Electronics — online and in-store — Glenview, Illinois, United States (website)
- Alex Audio Video — in-store — Sofia, Sofia City Province, Bulgaria (website)
- Altitudo Audio — online and in-store — Winnipeg, Manitoba, Canada (website)
- Apollo HiFi — online and in-store — Marrickville, New South Wales, Australia (website)
- Art & Voice — online (website)
- Audio Advice — online and in-store — Raleigh, North Carolina, United States (website)
- Audio Breakthroughs — in-store — Manhasset, New York, United States (website)
- Audio Classics — in-store — New York, United States (website)
- Audio Lab — online and in-store — Honolulu, Hawaii, United States (website)
- Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)
and 93 more verified dealers