ULT18 *

Product Details

  • 18-inch custom woofer with 4-inch voice coil with 7 mm driver travel
  • 2,000W Class D power (1,000W continuous)
  • 2 XLR/¼” combo inputs with direct outputs
  • Variable lowpass filter lets you dial in upper frequency limit
  • Polarity invert
  • Defeatable front-panel LED for low-visibility installs

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 of Class D power and a direct radiating, ported enclosure, it delivers 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. A variable lowpass filter (rare in this class) lets you dial in upper frequency limit. The ULT18 also offers M10 fly points, ground stacking provisions, castor provisions, and a defeatable front-panel LED, making it a great choice for both mobile and install applications.

Caster Wheel Kit for ULT18 and CDL18s *

* Factory Refurbished - This item has been 100% tested for proper operation and carries the full manufacturer's Limited Warranty.

ULT Speaker Dust Covers and Totes *

* Factory Refurbished - This item has been 100% tested for proper operation and carries the full manufacturer's Limited Warranty.

Sub Pole for PreSonus AI and ULT Loudspeakers *

* Factory Refurbished - This item has been 100% tested for proper operation and carries the full manufacturer's Limited Warranty.

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

As a commitment to constant improvement, PreSonus® Audio Electronics, Inc., reserves the right to change any specification stated herein, at any time, without notification.

Church Production ULT Series review

“No matter what I sent through these speakers, from the spoken word to the electronic dance music that makes my wife question my sanity, it all sounded great.”

Chris Huff, Church Production, December 2016

Accessories

Caster Wheel Kit for ULT18 and CDL18s *

* Factory Refurbished - This item has been 100% tested for proper operation and carries the full manufacturer's Limited Warranty.

ULT Speaker Dust Covers and Totes *

* Factory Refurbished - This item has been 100% tested for proper operation and carries the full manufacturer's Limited Warranty.