SVS SB-17 & PB-17 Ultra R|Evolution Review

• New, proprietary 17-inch (43.18cm) long-throw driver with highly precise tuned overhang drive configuration

• 48.9 mm Xmax, 81.78 mm Xmech precision-aligned excursion

• 8-inch voice coil with high-current 4-layer bifilar copper-clad aluminum wire windings.

• Dual voice coil design that transfers power output from the dual-mono amplifier outputs into a single voice coil to ensure maximum acoustic output.

• High-temperature fiberglass composite material for the voice coil former.

• Four-piece high-grade, oversized Y35 ferrite magnet motor provides effortless on-demand driving force for subtle and powerful bass effects.

• Two 25-strand copper alloy and Nomex composite tinsel leads woven through the spider ensure impeccable electrical connection from the amplifier to the voice coils.

• Dual Nomex spiders with extreme excursion for linear suspension.

• Proprietary, injection-molded, extreme-excursion Katenary SBR rubber surround ensures flawless pistonic motion, precise control and accuracy without distortion at maximum load.

• Premium fiberglass laminated dust cap and vented composite cone substrate with an exceptional stiffness-to-mass ratio ensures a lightweight, rigid, and neutral radiating surface that moves tremendous amounts of air with clear precision.

• High-density 17-inch powder-coated aluminum die-cast basket, FEA-optimized for maximum rigidity, tensile strength, and energy transfer.

• Nickel-plated high-tension spring terminals ensure secure connections.

• Extremely powerful STA-2800 Class D amplifier.

• High-resolution 295 MHz Analog Devices Audio DSP with 56-bit double-precision filtering, with over 5 times the computational power compared to our previous subwoofers, the most advanced subwoofer processor for perfect audio reproduction.

• The DSP monitors every amplifier function, ensuring precisely regulated, clean voltage is delivered to and from the switched-mode power supply, and maximum current is fed to the driver's voice coils.

• The DSP continuously performs complex power management algorithms as well as multi-point controlled thermal, voltage, and current monitoring systems to optimize AC voltage delivery for peak performance and highest efficiency.

• Advanced digital audio processing and DACs (Digital-to-Analog Converters) with a signal-to-noise ratio of 120 dB provide greater power reserves, lower noise, and flawless sound fidelity.

• Dual-mono discrete Class D amplifiers deliver effortless and endless power through eight massive 60A 200V MOSFETs, resulting in lower electromagnetic interference (EMI) and highest efficiency while effortlessly driving each voice coil, delivering SPLs and low-frequency output with pristine clarity far beyond reference listening levels.

• New switched-mode power supply (SMPS) with two-stage 100V-240V full-range Active Power Factor Correction (PFC) that pre-regulates mains voltage to a solid 390V DC, regardless of mains voltage or quality, ensuring a consistent 160V rail voltage for the dual-mono amplifiers.

• Power Factor Correction (PFC) aligns AC voltage with AC current, resulting in less heat, increased efficiency, peak performance, and the ability to maintain rated power over a wide range of mains voltages.

• Built-in mains voltage conditioner filters and stabilizes incoming voltage, corrects waveform distortion, and eliminates electromagnetic and radio frequency interference to optimize signal quality and audio performance.

• New convection cooling design draws cool ambient air through vents at the bottom of the amplifier plate, which flows over the amplifier components and internal heatsinks, eliminating the need for an external heatsink.

• Custom EQ and DSP limiter settings, specifically for the 17-Ultra, allow the subwoofer to control a room and fill it with precise, heart-pounding, acoustically tuned bass.

• Unbalanced RCA input with 10 kOhm input impedance (compatible with consumer and pro audio up to 4 Vrms input).

• Balanced XLR input with 14 kOhm input impedance (compatible with consumer and pro audio up to 14 Vrms / +24 dBu inputs).

• OLED display and control interface for easy control of key functions.

• USB port provides power for the SVS SoundPath Wireless Audio Adapter (sold separately), eliminating the need for running a cable from the source device to the subwoofer.

• Auto/On and Trigger options via the app for maximum installation flexibility (3.5mm trigger input 3-12V AC/DC). • Green 0.5-watt low power standby mode.

• RoHS compliant, lead-free construction, globally certified safety standards.

• Compatible with Apple iOS, Google Android, and Amazon Fire platforms, the market-leading SVS Subwoofer Control Smartphone App provides convenient and intuitive management of all subwoofer controls.

• The Analog Devices DSP supports a comprehensive menu of features, including volume, fully adjustable low-pass filter, phase, polarity, six PEQs, room gain compensation, settings modes, power management, and more.

• Includes three convenient memory presets for quick and easy adjustments of the overall system to the listener's preferences.

• Automatic subwoofer room equalization (soon available via app update).

o Uses your mobile device's built-in microphone to measure your subwoofer's acoustic performance in the room.

o Automatically calculates equalizer filters to optimize the subwoofer and room performance at your listening position.

• Unique bi-directional feedback shows real-time adjustments both in the app and on the subwoofer interface.

• Simple instructions and tutorials provide clear guidance on all functions.

• Protective, resonance-free, extra-thick ABS grille frame with fabric cover.

• Iso-elastomer feet.

• Extremely durable, high-current 6-foot power cord.

• Quick start guide.