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PreSonus AIR18S Active 18-Inch Subwoofer

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    PRES-AIR18S
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Description

Equally at home in mobile and installed systems, PreSonus AIR18s active subwoofers feature a 18-inch LF driver, driven by 1,200W of Class D power for a powerful, clear, and accurate low-end punch down to 35 Hz. DSP presets enable extended low-end performance and let you create ground-stacked or e... Read More

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Description

Equally at home in mobile and installed systems, PreSonus AIR18s active subwoofers feature a 18-inch LF driver, driven by 1,200W of Class D power for a powerful, clear, and accurate low-end punch down to 35 Hz. DSP presets enable extended low-end performance and let you create ground-stacked or endfire subwoofer arrays. A variable alignment delay properly aligns your three-way system. Use the lowpass filter to set a crossover frequency for a smooth transition from sub-bass to full-range, adjust the master output level of the power amplifier, even turn the grille LED off for install applications or set it to illuminate only when the protection limiter is engaged all at the touch of a button. AIR18s subwoofers also include integrated ground-stacking provisions and a castor kit.

Features:

  • 18-inch custom woofer with 3-inch voice coil
  • 1,200W Class D power (dynamic)
  • 35 Hz to 150 Hz frequency response
  • 137 dB SPL (max)
  • Stereo 1/8 input
  • Locate controls adjust performance for arrayed and non-arrayed applications:
    o Normal - non-arrayed applications
    o Cardioid create a ground-stacked cardioid subwoofer array (using two of the same model subwoofer)
    o Endfire - create an endfire cardioid subwoofer array (using two of the same model subwoofer)
  • Variable lowpass filter lets you dial in upper frequency limit
  • œMo' Bass tuning for extended low-end performance
  • Alignment delay up to 12m
  • Polarity invert
  • Defeatable front-panel LED for low-visibility installs
  • Rugged, texture-painted birch enclosures and tour-grade 17 gauge steel grille
  • Comfortable ergonomic handles, ground-stacking provisions, and castor provisions (castor kit included)

Extensive controls enable customized performance.
Since each venue has unique acoustics and each application makes different demands on a sound system, PreSonus equipped AIR-series subwoofers with easy-to-use controls and signal-processing presets. Set your subwoofers for normal front-of-house use or get an even bigger low-end with the Mo' Bass preset. Set them to perform in an array. Reverse polarity, use the lowpass filter to set a crossover frequency, adjust the master output level of the power amplifier, even turn the grille LED off for install applications or set it to illuminate only when the protection limiter is engaged all at the touch of a button.

Equally at home in mobile and installed systems.
Although it has a rugged, tour-grade birch enclosure, the PreSonus AIR18s is much more compact and lightweight than you'd expect from a subwoofer that can deliver this much power. With integrated provisions for the included castor kit, ground-stacking provisions, and ergonomic handles on both sides, it's easy to transport for mobile applications, while offering the features and performance needed for demanding installs. The AIR18s sports two combo XLR and 1/4" TRS line-level inputs with level control, and throughputs are provided to connect full-range systems or multiple subwoofers in larger systems. You can even defeat the front power-indicator LED for low-visibility installs.

Plays well with others.
Although we recommend AIR-series full-range loudspeakers, AIR18s subwoofers can be used with virtually any full-range loudspeaker. Whatever full-range speaker you choose, aligning the subwoofer to its full-range companion will yield tighter bass response. AIR18s subwoofers make it easy, with a variable alignment delay that properly aligns your three-way system, whether the full-range loudspeaker is placed atop the subwoofer, using the sub pole, or is placed a few feet away. AIR-series subwoofers also are equipped with a variable lowpass filter that allows you to dial in the best crossover point for your system. Optimized settings are provided for the AIR10, AIR12, and AIR15 full-range loudspeakers.

Easily create subwoofer arrays.
Most subwoofers are essentially omnidirectional, radiating sound around the entire cabinet, which can cause feedback onstage and make monitoring more difficult. Creating a subwoofer array helps keep excess energy off of the stage and in the audience where it is needed. AIR-series subwoofers provide the tools you need to create these arrays with ease.

Hearing is believing.
With flexible connectivity; a rugged, tour-grade enclosure; and plenty of Class D power, the AIR18s delivers the versatility and punch needed for permanent installs. Yet it's relatively lightweight and portable, making it an excellent choice for mobile use. Although designed to complement AIR-series full-range loudspeakers, the AIR18s is also an excellent companion for third-party loudspeakers. Most important, it sounds great, delivering outstanding low-end clarity and natural music reproduction.

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Product Specs

Type Active vented design
LF Driver 18" (3" Voice Coil)
Amplifier Type Class D
Total System Power 1200W Dynamic (600W continuous)
Frequency Range (-10 dB) 35 - 150 Hz
Maximum SPL 137 dB
Cabinet 15mm plywood
Mounting Ground stack provisions
Weight 83.8 lbs (38 kg)

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