GL-218B Description The POPE Professional® GL-218B sub-woofer utilizes band pass technology. The system incorporate two 18" Neodymium transducers. The sub-woofer produces sound pressure level (SPL) of 128 dB on axis at 1 meter with a power input of 1 watt and having capable to produce peak output of 136 dB SPL on axis at 1 meter. The sub-woofer can handle 4000 watts power (continuous) with 24dB/octave Butter-worth high pass filter. The sub-woofer enclosure constructed of exterior grade birch plywood. The front net of the sub-woofer covered with powder coated perforated steel grille. Application • Live Sound • Touring Concerts • Club Systems • Large Nightclubs • Arenas Features • Long Throw and high output • Response from 26 Hz to capture lowest musical notes • Direct radiating 18" (460mm) drivers • High temperature 4" (100mm) voice coil Specifications Model GL-218B Article No. #10025 Class 2*18" Horn Loaded Sub-woofer Power Rating 4000 W Continuous* Frequency Range 24Hz - 320Hz (-10dB) Frequency Response 26Hz - 280Hz (± 3dB) System Sensitivity (1W @ 1M) 98dB SPL SPL** 128dB continuous , 136dB peak Impedance 4Ω Transducer Sections Low Frequency 2*18" (460mm) Diameter POPE Professional® Transducer Power Rating 2*2000 Watts Continuous. Pink Noise 2*4000 Watts Program 2*8000 Watts Peak Voice Coil Diameter 100 mm (4") Voice Coil Material Copper Cone Surround Triple roll treated polycotton Magnet Material Neodymium Chassis Type Cast Aluminum Crossover Mode Bi-amp Impedance Parallel: 4Ω Discrete: 8Ω x 2 Enclosure Cabinet Construction Rectangular, 20 mm, 18-ply birch plywood Transportation 2 handles on both sides Grille Powder coated, black, 16-gauge perforated steel grille Input Connectors Neutrik® Speakon® NL-4 (x2) +2-2 Surface Finish Waterproof black texture painting Coverage Pattern (H x V) 360° Packing Foam with wooden crate carton packing or Flight case - optional Dimensions (H x W x D) 1136mm x 585mm x 725mm Weight 80 kg (176.3 lbs)