Architecture & Engineering Specifications
The loudspeaker shall be of the passive subwoofer type, consisting of two 18" (457 mm) LF drivers. Performance specifications of a typical production unit shall meet or exceed the following: frequency response, measured with swept sine wave input, shall be flat within ±3 dB from 30 Hz to 95 Hz and within -10 dB from 25 Hz to 115 Hz. Nominal dispersion shall be “half space.” Maximum amplifier output power shall be 4,000 Watts peak, Peak level at 1 m under half space conditions using pink noise with crest factor 4, with dedicated pre-set, shall be 145 dB. Dimensions: 568 mm high x 1050 mm wide x 800 mm deep (22.4 x 41.3 x 31.5"Net weight: 97 kg (213.85 lbs). The loudspeaker system shall be the TURBOSOUND MS218. No other loudspeaker shall be acceptable unless submitted data from an independent test laboratory verifies that the above combined performance / size specifications are equalled or exceeded.