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PreSonus ULT18

PreSonus ULT18

Product Description


ULT18 Low-end punch you can hear and feel. Designed to complement any full-range PA loudspeaker and a perfect companion for the PreSonus® ULT12 and ULT15, the ULT18 subwoofer delivers a powerful, clear, and accurate low-end punch. With 2,000 watts (peak) of Class D power and a direct radiating, ported enclosure, it has all the muscle needed for the detailed low-frequency performance audio pros demand. Its custom 18-inch low-frequency transducer with 4-inch voice coil provides 7 mm of driver travel before over-excursion to push more air and bring more thump.

Features Main Components 18-inch custom woofer with 4-inch voice coil 7 mm driver travel before over-excursion 2,000W Class D power (2 × 500 W continuous) Stereo combo XLR and Ľ-inch inputs with direct outputs Onboard fully variable lowpass filter lets you dial in upper frequency limit Controls Output Level Lowpass Filter Preset Select Polarity Invert On/Off Mono On/Off Front LED On/Off Convenience Features Defeatable front-panel LED Rugged, texture-painted eucalyptus plywood enclosures Tour-grade 16 gauge steel grille Comfortable ergonomic handles Ground-stacking provisions Integrated caster provisions (caster kit sold separately) Locking IEC connection

Technical Specifications Acoustic Performance Configuration Powered subwoofer, ported Frequency Response (-3 dB) 42 Hz – 150 Hz (Variable) Maximum Peak SPL 135 dB Crossover Frequency 90 Hz Low Pass Filter Range 50 Hz - 150 Hz Transducer LF Transducer 1x18" Ferrite Voice Coil Diameter 4" Amplifier Type Class D Total Power Output 2,000W Peak (1,000 RMS) LF Power 2 x 500W bridged (1000W total) Cooling Free air convection Rated THD <0.05% (20 Hz - 20 kHz) Dynamic Range 119 dB (A-weighted) Bandwidth 20 Hz - 20 kHz Connections and Controls Input Channels 2 line Input Connector Types 2 combo Line Input Impedance 10 k? Maximum Input +22 dBu Output Connector 2 XLR (M): Mix out, Direct out Controls Output Level Low Pass Filter Preset Select Polarity Invert On/Off Mono On/Off Front LED On/Off Indicators DSP Preset, Polarity Invert On/Off, Mono On/Off, Front LED On/Off, Signal, Clip, Thermal DSP Presets Extended LF Polarity Normal or Reverse Bit Depth 24-bit Sample Rate 96 kHz Enclosure Material Eucalyptus plywood Finish Chemline™ polyurethane Grille Powder-coated steel Dimensions (HxWxD) 22.5” x 25” x 24.5” (572 mm x 635 mm x 622 mm) Unit Weight 95 lbs. (43 kg) Handles 2 (one on each side) Safety Amplifier Protection Over-current, DC, over/under-voltage, over-temperature, high frequency Transducer Protection limiter Power AC Power Input 100-230V~, 50-60 Hz AC Power Consumption (1/8 Power) 150W Suspension Mounting Rigging Points 12 M10 Mounting Ground-stack provisions As a commitment to constant improvement, PreSonus® Audio Electronics, Inc., reserves the right to change any specification stated herein, at any time, without notification.