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PreSonus ULT18 Active Subwoofer

£ 1,299.00

Extensive Controls Enable Customised Performance

The PreSonus ULT18 provides maximum versatility thanks to several critical user controls. Unlike most subwoofers in this class, the ULT18 is equipped with a variable low-pass filter that enables you to accurately dial in the crossover transition between the subwoofer and your full-range speakers. Two DSP presets deliver extended low-frequency performance or a more natural response, allowing you to tailor the sound to suit a variety of applications. The ULT18 comes complete with a Mono mode function which simplifies setting up multiple mono subs in a stereo system - perfect for larger venues such as night clubs.

Now Hear This

With flexible connectivity, a rugged tour-grade enclosure and enormous class-D power, the PreSonus ULT18 delivers the versatility and punch expected from today's professional sound systems. Perfect for both permanent installations, tours and mobile use, the ULT18 seamlessly integrated with both ULT-series full-range speakers and third-party loudspeakers. Most important, the ULT18 delivers outstanding low-end clarity and natural music reproduction in any application.

Designed by WorxAudio

The ULT18 subwoofer has been designed by WorxAudio™, the commercial loudspeaker division of PreSonus. Headquartered in Greensboro, North Carolina, WorxAudio has been at the forefront of loudspeaker development for the professional touring and contractor markets for over 30 years. WorxAudio continues to embrace the latest technology to deliver innovative products for audio professionals, all of which can be found in facilities worldwide. You can rely on the ULT18 to deliver the top-quality performance and professional features that touring engineers demand.

Extended Warranty

PreSonus has extended the warranty on all ULT loudspeakers from three years to six years. The new extended warranty is effective immediately and applies to loudspeakers purchased on or after January 1, 2016.

"We have great confidence in the quality of our loudspeakers. They have proven to be extremely reliable and problem-free. Our customers are incredibly loyal, so rewarding that loyalty by extending the warranty was an easy decision.'' - PreSonus Director of Customer Services, Alex Tinsley.

Features

  • 18'' custom Kevlar woofer with a 4'' voice coil
  • 7mm driver travel before over-excursion
  • 2000W class-D power (2 x 500W continuous)
  • Stereo combo XLR and 1/4'' inputs with direct outputs
  • Onboard fully variable lowpass filter lets you dial in upper frequency limit
  • Extensive range of controls including output level, preset select, polarity invert and more
  • Rugged enclosure
  • Comfortable ergonomic handles
  • Locking IEC connection
  • Ground stacking and integrated caster provisions (kit sold separately)

Specifications

  • Configuration: Powered Subwoofer, Ported
  • Frequency Response: 45Hz - 250Hz
  • Maximum SPL: 135dB (Peak)
  • Crossover Frequency: 90Hz
  • Low Frequency Transducer: 1 x 18'' Ferrite
  • Voice Coil Diameter: 4''
  • Amplifier Type: Class-D
  • Power Output: 2000W Peak / 1000W RMS
  • Low-Frequency Power: 2 x 500W Bridged (1000W Total)
  • Cooling: Free Air Convection
  • Rated THD:
  • Dynamic Range: 119dB (A-Weighted)
  • Bandwidth: 20Hz - 20kHz
  • Input Channels: 2
  • Input Connectors: Combo
  • Input Impedance: 10k?
  • Maximum Input: +22dBu
  • Output Connectors: 2 x XLR (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 Preset: Extended LF
  • DSP Bit Depth: 24-Bit
  • Sample Rate: 96kHz
  • Enclosure Finish: Chemline™ Polyurethane
  • Grille: Powder-Coated Steel
  • Dimensions: 22.5'' x 25'' X 24.5'' / 572mm x 635mm x 622mm (H x D x W)
  • Weight: 95lbs / 43kg
  • Amplifier Protection: Over-Current, DC, Over/Under-Voltage, Over-Temperate, High Frequency
  • Transducer Protection: Limiter
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