Architect's & Engineer's Specifications

The loudspeaker system shall have an operating bandwidth of 51 Hz to 210 Hz. The nominal output level shall be 99 dB when measured at a distance of 1 meter with an input of 1 Watt. The nominal impedance shall be 4 Ohms or 2 x 8 Ohms, depending on configuration. Two Pro Rider model 1808-8 ALCP 18 inch woofers shall be used in a vented enclosure. The maximum continuous power handling shall be 1,200 Watts, maximum program power of 2,400 Watts, a peak power input of at least 4,800 Watts and a minimum amplifier headroom of 3 dB. The outside dimensions shall be 47.28 inches (1201 mm) high by 20.38 inches (518 mm) wide by 26.81 inches (681 mm) deep. The weight shall be 135 lbs (61.3 kg). The loudspeaker system shall be a Peavey model SP 218 Sub or approved equivalent.