PRESONUS ULT18
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The ULT18 Active Sound-Reinforcement Subwoofer from PreSonus is an 18" custom woofer with a 4" voice coil driven by 2000W of Class-D power in a direct-radiating ported enclosure. Designed to complement any full-range PA loudspeaker, it can be used to deliver low-frequency performance in sound-reinforcement applications for live stage, theater, clubs, and more.
The speaker inputs feature two combo XLR-1/4" connectors with direct outputs and polarity invert. The subwoofer's low-frequency transducer and voice coil provide 7mm of driver travel before reaching over-excursion. This allows it to push more air and bring more thump. In addition, a built-in variable low-pass filter lets you dial in the upper-frequency limit.
Designed with M10 fly points, ground-stacking provisions, castor provisions, and a defeatable front-panel LED, the ULT18 active subwoofer is a suitable choice for both mobile or install applications.
| Configuration | Active Subwoofer |
| Total Power Capacity | 2000 W Peak |
| LF Driver | 1 x 18" / 45.7 cm Woofer |
| LF Voice Coil | 4" / 10.2 cm |
| Frequency Range | 42 Hz to 250 Hz ±3 dB |
| Maximum SPL | 135 dB |
| Audio I/O | 2 x Combo XLR-1/4" TRS Input 2 x XLR 3-Pin Output |
| Crossover | 90 Hz |
| Mounting | 12 x M10 |
| Dimensions | 22.5 x 24.5 x 25" / 57.1 x 62.2 x 63.5 cm |
| Weight | 90 lb / 40.8 kg |
| Price | $2,299.00 |
|---|---|
| Vendor Item Number | ULT18 |
| Special Order | 1 |
| Coming Qty | 0 |
| UOM | 1 |
