Potato score: 89.24

89%

SVS PB17-Ultra R|Evolution #1
SVS PB17-Ultra R|Evolution variant 1
SVS PB17-Ultra R|Evolution variant 2
SVS PB17-Ultra R|Evolution variant 3
SVS PB17-Ultra R|Evolution variant 4
SVS PB17-Ultra R|Evolution variant 5
SVS PB17-Ultra R|Evolution variant 6
SVS PB17-Ultra R|Evolution variant 7

SVS PB17-Ultra R|Evolution

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App Control
Built-in DAC
DSP Crossover
Parametric EQ
Room Correction
Display
Auto Standby
Trigger Input
IR Input
Dual Mono Design
XLR Input

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 auto EQ room correction (available soon via over-the-air update).


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 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

SVS Subwoofer Auto Room Correction

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


  • Automatically tunes subwoofer output using your smartphone microphone and the SVS subwoofer app
  • Applies equalization filters, capitalizes on available room gain, and optimizes in-room frequency response at main listening positions for optimal in-room performance.
  • Simple process requires just a few steps for significant improvements to in-room response
  • Will be available soon via an over-the-air SVS Subwoofer Control App update
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Overall Score 89/100

Rating for [object Object]

Nicely Roasted

The PB17-Ultra R|Evolution delivers room-pressurizing, deep extension and near-silent harmonics, combining measured output to ~15Hz with impressively low distortion. Its dual-mono STA-2800D power and 17" driver produce massive, controlled bass with extensive DSP and app EQ for tailored room tuning; reviewer John E. Johnson, Jr. calls it a monster for film and music.

HomeTheaterHifi

"The new SVS PB17-Ultra R|Evolution Subwoofer is a monster."

Pros

  • Measured extension down to ~15 Hz with very low harmonic distortion across most test frequencies, giving deep notes cleanly and without boom.
  • Dual-mono STA-2800D amplification paired with the all-new 17" long-throw driver delivers enormous headroom and foundation-shaking dynamics for home theater and music.
  • Comprehensive DSP, six PEQ bands and the SVS app (with presets and forthcoming Auto EQ) provide flexible, precise room tuning and integration.

&

Cons

  • Bench tests noted increased low-frequency resonance in the 10–30 Hz region, which may require EQ or placement adjustments in some rooms.
  • Lower sensitivity versus the previous PB16-Ultra means the PB17 may need higher input voltage to reach identical SPLs on some processors without raising output gain.

Sound Quality

92/100

Bass

92/100

Measured extension and low distortion are standout points: reviewer measured output down to ~15 Hz with distortion below 1% from 15–20 Hz and noted the unit can reproduce 15 Hz (and specs claim 12–14 Hz modes). The reviewer wrote the sub delivered "deep pedal notes... loud enough to feel down to my toes," supporting excellent extension and control.

Dynamics

93/100

Reviewer described "foundation-shaking power," "massive raw power," and said the PB17-Ultra "will handle anything your surround sound processor can send to it," with very low harmonic distortion across most test frequencies—evidence of outstanding macro- and micro-dynamics and headroom.

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Integration

82/100

Reviews emphasize features (app PEQ, presets) but provide little outcome language about blending with mains; Features ≠ Integration; add outcome evidence or lower Integration. Given the sub's low distortion and adjustable PEQ/presets, it should integrate well in many systems, but lack of explicit reviewer statements like "disappears" or "seamless blend" prevents a higher score.

Build Quality

88/100

Physical construction and driver engineering are high-end (robust MDF with bracing, heavy 17" FEA-optimized basket, thick grille); reviewer noted the PB17-Ultra has more resonance in the 10–30 Hz range due to greater power and larger driver, which slightly tempers a perfect score.

Features Connectivity

90/100

App control with six PEQs, presets, forthcoming auto room EQ, and extensive I/O (XLR, RCA, USB for wireless adapter) were praised; reviewer called the EQ and app options "excellent," indicating very strong feature set and usability.

Value for Money

92/100

At $2,999.99 the reviewer called it "one of the best subwoofers on the planet," implying excellent value relative to performance; price is high but justified by measured performance and features, so value scores very high though not labeled an explicit "no-brainer."

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