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PreSonus ULTS18 - 18" 2000W Active Subwoofer

£1,417.09 inc. vat
£1,180.91 ex. vat
SKU SPREULTS18
Please contact us for availability.

PreSonus ULTS18 - 18" 2000W Active Subwoofer

The PreSonus ULT18 is a subwoofer driven by 2,000W of Class D power for a powerful, clear, and accurate low-end punch. The ULT 18 is designed to complement any full-range PA loudspeaker and a perfect companion for the PreSonus® ULT12 and ULT15.

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 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 eucalyptus plywood enclosures
  • Tour-grade 16 gauge steel grille
  • Comfortable ergonomic handles
  • Ground Stacking provisions
  • Integrated castor provisions (castor 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 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 (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