PB17-Ultra R

SVS

Subwoofer 17″ (43cm) 2800W

PB17-Ultra R|Evolution

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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Technical Specifications:

Bass: 1 x 17” (43cm) Powder-coated cast aluminum basket
Amplifier: 2800 watts RMS Class D design
Frequency Response (±3dB):  14Hz to 220Hz +/-3dB (standard mode – all ports open)
DSP: 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.
Efficiency: 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.
Amplifier Type: Massively powerful STA-2800 Class D amplifier design
EQ:  Three user adjustable parametric EQs
Room Correction: room correction (available soon via over-the-air update).
Input Impedance:  RCA 10kohm / XLR 14kohm
Grille:  Protective non-resonant extra-thick ABS grille frame with fabric mesh cover shields driver to prevent damage while ensuring longevity.
Trigger:  Auto/On and Trigger options through App for maximum installation convenience (3.5mm trigger Input 3-12V AC/DC)
Consumption:  Green 0.5-watt low standby power consumption
Driver Size:  SVS 17” Ultra-series driver
Excursion:  48.9mm Xmax, 81.78mm Xmech precision aligned excursion
Voice Coil:  8” diameter Voice Coil with high current 4-layer bifilar copper-clad aluminum wire windings
Motor:  Four-piece high-grade oversized Y35 Ferrite magnet motor produces effortless on-demand driving-force for subtle and over-the-top low frequency sonics
Spider: Dual Nomex extreme excursion linear suspension spiders
Leads:  Dual 25-strand copper-alloy and Nomex composite high-temperature leads woven through the spider provide a pristine electrical
Cone: 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.
Structure: 2-meter ground plane away from reflective structures (quasi-anechoic).
Basket: High-density 17” Powder-coated cast aluminum basket FEA optimized for maximum rigidity, tensile strength, and energy transference
Suspension:  Dual Nomex extreme excursion linear suspension spiders
Dimensions (with grille)(HxWxD) : Dimensions (with grille): 25.0” (635mm) H x 21.7” (550mm) W x 29.3” (744mm) D
Net weight: Weight (unboxed): 164.7lbs (74.7kg)

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