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Presonus ULT18

Presonus

BSW PART:
ULT18

18in Active Sound-Reinforcement Subwoofer

Contact BSW for your pricing and shipping!

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 Kevlar® 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.

Contact BSW for your pricing and shipping!

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  • Main Features:
  • Main Components:
  • 18-inch custom Kevlar® 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 ¼” 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 birch enclosures
  • Tour-grade 16 gauge steel grille
  • Comfortable ergonomic handles
  • Ground Stacking provisions
  • Integrated castor provisions (castor kit sold separately)
  • Locking IEC connection
  • Specifications:
  • Acoustic Performance:
  • Configuration: Powered subwoofer, ported
  • Frequency Response: (-3 dB) 45 Hz – 250 Hz
  • Maximum Peak SPL: 135 dB
  • Crossover Frequency: 90 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 kΩ
  • 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 (HxDxW): 22.5” x 24.5” x 25” (572 mm x 622 mm x 635 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