SB18-IIi-RAL 18 Inch High Power

SB18 High-power subwoofer, 18" Frequency response: 32Hz System type: Passive Subwoofer Bass: 18“ × 1 (weather-resistant) Rated power: 700W Peak power：2800W Box: standard placement or cardioid placement Maximum output sound pressure: 138dB Nominal AC impedance: 8 ohms Weight (net)：52 kg Size: 750mm × 540mm × 707mm Max SPL 138 dB Low frequency limit 32 Hz Transducers LF: 1 x 18" Weight 52 kg / 115 lb Directivity standard or cardioid configurations 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-poi…