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Presonus ULT18


18in Active Sound-Reinforcement Subwoofer

BSW PART: ULT18

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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.

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

List Price
$1,949.95
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