The SVS SB-4000 powered subwoofer demolishes all preconceived notions about subwoofer performance and technology by taking command of any room with deep, effortless bass and adding visceral energy to every listening experience. With trickle down technology from the 16-Ultra Series, named top subwoofers in the world by nearly every audio publication and industry group in 2017, the SB-4000 obliterates expectations and delivers a level of unrivaled subwoofer performance only available from SVS.
The SB-4000 subwoofer delivers on the full potential of the Sledge STA-1200D amplifier’s power with precision and control to produce room energizing SPLs and effortless low frequency extension with pinpoint accuracy at all drive levels.
- Dual ferrite magnet motor assembly weighing nearly 40lbs generates immense magnetic force and excursion of the 13.5-inch driver to produce massive low frequency output well below the limits of human hearing.
- Edge wound voice coil with eight-layer aluminum flat wire minimizes distortion and power compression while providing excellent heat dissipation and linearity ensuring precise control.
- Lightweight and rigid composite cone with premium glass fiber dustcap generate massive output with pinpoint accurate frequency response.
- Proprietary injection molded gasket and long-throw parabolic surround ensure longevity and allow extreme excursion and SPLs.
Rated conservatively at 1,200 watts RMS, and 4,000+ watts peak power, the SB-4000 Sledge STA-1200D amplifier uses an efficient Class D design combined with fully discrete MOSFET output and a sophisticated Analog Devices DSP engine. The result is a level of effortless power and advanced processing not available from any other powered subwoofer manufacturer.
High Current Output of Fully Discrete MOSFETs with Efficiency of Class D Amplifier
Efficiency of a Class D amplifier with the ability to move massive amounts of current through the fully discrete MOSFETs enabling immense output and precise control for outstanding real-world subwoofer performance at all drive levels.
Sophisticated 50Mhz High Resolution Analog Devices Audio DSP
Most advanced digital processor ever used in a subwoofer maintains pinpoint accuracy and pristine sound quality through advanced in-room tuning, optimized frequency response curves, powerful DSP controls and more.
Active Power Factor Correction (PFC) & Ground Loop Isolation
Serves as a line conditioner, surge suppressor and voltage regulator letting the amplifier deal with wide voltage fluctuations and ensuring the subwoofers operate flawlessly on any household circuit no matter how unstable the incoming current. An isolated circuit creates a vanishingly low noise floor by eliminating the potential for ground loop hums from outside components resulting in absolute sonic transparency.
Frequency Response / Acoustic Data:
19-310Hz ± 3 dB
Roll-off slope specifically optimized to take maximum advantage of available room gain
2-meter ground plane away from reflective structures (quasi-anechoic).
Premium Black Ash and Piano Gloss Black finish options
Protective non-resonant steel mesh grille
Front-firing 13.5" driver
Screw-in rubber feet
Robust Medium Density Fiberboard(MDF) cabinet construction
Cabinet Dimensions (without grille): 18.3” (465mm) H X 17.8” (453mm) W X 18.6” (471.3mm) D
Cabinet Dimensions (with grille): 18.3” (465mm) H X 17.8” (453mm) W X 20.9” (530mm) D
High-performance SVS 4000 Series Subwoofer Driver - optimized for sealed cabinet design.
Proprietary 13.5” Driver with finely tuned Overhung Motor Configuration
43lb (19.5kg) pound Woofer with 37.7lb (17.1kg) pounds for the motor
Overhung 52mm Xmax, 76.2mm Xmech precision aligned excursion
8-layer aluminum flat wire edge wound 3” voice coil for ultra-low distortion, efficient heat dissipation, exceptional linearity and nearly zero power compression.
Two massive, dedicated toroidal ferrite magnets generate unparalleled levels of magnetic force to drive the highest levels of excursion, SPL, and start/go power for the deepest and most authoritative bass possible.
All-new High density FEA-optimized cast aluminum basket provides unequaled levels of rigidity, tensile strength, and energy transference available from a subwoofer.
Dual 24-strand copper and Nomex composite high-temperature leads woven through the suspension provide a pristine electrical connection from the amplifier to the voice coil.
Massively powerful Sledge 1,200-watt continuous Class D design with 4,000+ watts of Peak Power.
High efficiency cool-running Class D switching topology with massive 32 Amp 600 Volt MOSFET’s result in lower EMI and highest efficiency while providing effortless power to produce SPLs and low frequency output with pristine clarity well beyond reference listening levels.
High resolution 50Mhz Analog Devices Audio DSP with double precision 56bit filtering is most advanced subwoofer processor available for perfect audio reproduction.
100v-240v full range input active Power Factor Correction (PFC) pre-regulates mains to solid 360V DC regardless of mains voltage or quality so the sound quality never falters no matter what’s coming out of the wall
Active PFC lowers average current and smooths mains input current allowing for 1200W output from a standard 15A mains circuit.
XLR and RCA stereo input/output with ultra-wide input voltage for consumer and professional audio applications.
Input impedance 22kohm (unbalanced RCA)/ 22kohm (balanced XLR).
Green 0.5-watt low standby power consumption