Architect's & Engineer's Specifications The loudspeaker system shall have an operating bandwidth of 35 Hz to 125 Hz, measured on axis at 1 meter in a half-space environment, with +3/- 6 dB tolerance. The maximum peak output level shall be 139 dB when measured at a distance of one meter with full system output. The woofers loaded into the cabinet shall be two Low Rider 18” 4 Ohm woofers, rated at 800 Watts continuous power per AES Std. 1984-2. The enclosure vents shall incorporate the Univent air pumping system to aid cool air circulation through the cabinet. The powered speaker amplifiers shall have a total power output of 1,500 Watts sine wave, and the power amp shall be fan cooled. Signal input shall be provided via XLR analog and Dante Ethernet connections. DSP signal processing shall be incorporated to provide the crossover, protective filtering and EQ for the system, as well as limiting and compression to minimize overdrive distortion. The cabinet shall incorporate rigging hardware to interface with the FlyQWIK rigging system, specifically the Ground Stack Kit. The outside dimensions shall be 43.38 inches (832 mm) high by 25.63 inches (638 mm) wide by 26.25 inches (540 mm) deep. The weight shall be 187 pounds (85.0 kg). The loudspeaker system shall be a Crest Audio model Versarray PRO 218 Sub or approved equivalent.