SVS SB17 Ultra R|Evolution Subwoofer

SVS Subwoofer SB17-Ultra R|Evolution Sealed Subwoofer Or would you prefer the deeper bass of the ported enclosure PB17-Ultra? Bass Extension down to 15 Hz 17” Driver (woofer)  Dual 8” Copper Clad Aluminum (CCA) Voice Coils  High-Excursion (long throw)  Extreme Excursion Catenary SBR Rubber Surround  Glass Fiber Cone is both lightweight and rigid with optimal stiffness-to-mass ratio 55lb Toroidal Ferrite Electromagnetic Motor  Two STA-2800l Class-D Monoral Amplifiers (one for each voice coil) Dual Mono Design lowers the continuous current demand on residential AC  Eight 60 Amp 200 Volt MOSFETs Switch Mode Power Supply  Impervious to voltage fluctuations with a clean and consistent 160V rail voltage and optimal power delivery from a standard 15-amp 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 Internal AC line conditioner filters and stabilizes incoming voltage, corrects waveform distortions, and eliminates electromagnetic and radio interferences. FEA optimized convection cooling system has no exterior heatsinks 295 MHz Analog Devices DSP  Monitors every function of the amplifier to stabilize AC voltage delivery to the power supply for continuous peak performance Multi-point thermal, voltage, and current monitoring systems  Advanced digital audio processing and DACs (Digital-to-Analog Converters) with 120dB Signal-to-Noise Ratio  SVS Subwoofer Control Smartphone App Controls DSP functions including Volume, 6-Band Parametric Equalizer, Low Pass Filter, Phase, Polarity, Room Gain, Port Tuning, System Settings and Custom Presets. SVS Subwoofer Auto Room Correction Automatically tunes subwoofer output for optimized in-room performance using the builtin microphone on your smartphone.  Acoustically Tuned Cabinet Design Double thick MDF and rigid internal bracing  SVS SB17 Ultra Specifications: Driver:17” 63.76 lb pound Woofer with 55 lb motor 48.9mm Xmax, 81.78mm Xmech precision aligned excursion Dual 8” diameter Voice Coils with high current 4-layer bifilar copper-clad aluminum wire windings Amplifier: SVS STA-2800 Class D Frequency Response: 15Hz to320Hz +/-3dB Dimensions With Grill: 20”H x 19.5”W x 21.2”D Dimensions Without Grill: 20”H x 19.5”W x 20.3”D Shipped Dimensions: 24.8”H x 24.9”W x 29.8”D Weight (unboxed): 124 lbs Shipped Weight: 136 lbs SVS SB17 Ultra Owner’s Manual