L-Acoustics SB18

18" High Power Compact Subwoofer

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The L-Acoustics SB18 is the ideal complement to L-Acoustics WST® (Wavefront Sculpture Technology) modular line sources and coaxial systems for applications requiring an extension of bandwidth with a flat to reinforced LF contour. Drawing on the latest innovations in electro-acoustics, signal processing and components, SB18 delivers an exceptional level of performance while offering the engineer and sound designer numerous modes of operation for rental and fixed installation applications.

The 18" transducers specifically designed for SB18 combine high excursion capabilities, low thermal compression, and reduced distortion. The bass-reflex vents feature a progressive profile allowing laminar airflow and reduced turbulence noise, even at the highest operating levels. These combined properties contribute to the SB18 sonic qualities in terms of precision and musicality.

The SB18 design is based on a single 18" LF transducer integrated into a dual bass-reflex tuned enclosure to deliver both impact and high sensitivity. Its compact size combined with superior damping characteristics make it extremely well suited for compact FOH applications. Therefore, the SB18 is particularly recommended for use with KARA® (either coupled/flown or stacked configurations), KIVA, ARCS®, and coaxial LF contour reinforcement in both standard and cardioid modes.

L-Acoustics SB18 Features:

  • 32Hz LF limit, high power handling, low distortion, & thermal compression
  • Progressive vent for increased peak SPL & minimal turbulence noise
  • DSP presets for cardioid mode (symmetrical & asymmetrical)
  • Pole mount for XT series, ARCS® WIDE/FOCUS, & KIVA
  • Compatible rigging : SB18(i)/KARA®(i), SB18m/ARCS® WIDE - FOCUS

Specifications for the L-Acoustics SB18

{ "Low frequency limit (-10dB) " : "32 Hz ([SB18_100] preset)", "Maximum SPL " : "138 dB ([SB18_100] preset)", "RMS handling capability " : "700 W", "Components " : { "LF" : " 1 x 18’’ weather-resistant,", "(4’’ coil, aluminium die-cast basket, vented magnet design)" : "", "Nominal impedance" : " 8 ohms" }, "Rigging " : "Steel, certified for: 16 SB18 (BGV-C1 compliant)", "Physical data " : { "W x H x D" : " 750 x 540 x 707 mm - 29.5 x 21.3 x 27.8 in", "Weight (net)" : "52 kg - 114.5 lbs", "Connectors" : "2 x 4-point Speakon®", "Material" : "baltic birch plywood", "Finish" : "dark grey brown Pantone® 426C", "Front" : "polyester powder-coated steel grill,", "airnet® acoustically neutral fabric" : "", "Rigging" : "pole-mount socket, integrated rigging for", "flying and stacking (steel with dual coating zinc and polyester powder)" : "" } }

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