L-Acoustics SB18 IIiW High Power Compact Subwoofer 1x18-Inch White

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Write a review Q&A SKU: SB18-IIIW PSSL ID#: 112551
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Description

L-Acoustics SB18 IIIW High Power Compact Subwoofer 1x18-Inch  White

Install-specific passive subwoofer with a high excursion, direct radiating 18 in transducer mounted in a dual bass-reflex tuned enclosure with laminar vents for increased LF efficiency. The enclosure cabinet is constructed of premium grade Baltic beech and birch plywood. The transducer front is protected by a coated steel grill and an acoustically transparent fabric. The enclosure integrates inserts for flush-fitting connecting plates and an optional acoustically transparent front screen. The four-point hardware allows for rigging and combining with other loudspeakers of the same family. Dedicated rigging accessories allow for flown or stacked configurations. Combining two or more elements with associated presets achieve omnidirectional or cardioid directivity patterns. Exclusively driven and protected by a proprietary amplified controller through a dedicated preset.

Specifications:

  • Coverage:
    • Enclosure directivity: standard or cardioid configuration
  • Transducers:
    • LF transducer: 18" cone driver
  • Acoustics:
    • Nominal impedance: 8
    • Usable bandwidth: 32 Hz - 110 Hz (-10 dB), 34 Hz - 100 Hz (-6 dB), 37 Hz - 82 Hz (-3 dB) / 32 Hz - 80 Hz (-10 dB), 32 Hz - 70 Hz (-6 dB), 35 Hz - 60 Hz (-3 dB)
    • RMS power handling (Calculated using the mean impedance measured on the usable bandwidth): 387 W
    • Maximum SPL: 138 dB Peak level at 1 m under half space conditions using pink noise with crest factor 4
  • Physical data:
    • Acoustical load: dual bass-reflex
    • Cabinet: premium grade Baltic beech and birch plywood
    • Dimensions (W, H, D): 701 mm, 540 mm, 728 mm / 27,6 in, 21.3 in, 28.7 in
    • Weight (net): 48 kg / 106 lb
    • Connectors: 1 × 4-point terminal block with push-in connection
    • IP: IP55
    • Finish: pure white RAL 9010

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