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The P Audio EM18-LB600 is a high performance 18 inch (457mm) diameter low frequency transducer. The EM18-LB600 features a very large diameter silicone impregnated spider that substantially reduces component stress and improves both linearity and long term reliability. The large diameter suspension elements combine with the unique 3.5' (88.9mm) voice coil diameter and extended winding length to produce high Xmax performance and very tight low frequency sonic character. The EM18-LB600 is an excellent choice for sub woofer applications.
The EM18-LB600 features 2400 watt peak power handling (600 watts continuous) and extended bandwidth low frequency response. The unique 3.5 inch voice coil diameter provides an excellent balance between high power handling and controlled moving mass. The result is a high efficiency design that offers high impact low frequency response and high reliability. The 3.5 inch coil design offers less moving mass than a conventional 4 inch design. The reduced moving mass offers superior transient response.
The EM18-LB600 offers a 35Hz to 250Hz useable bandwidth. The performance of the EM18-LB600 is optimized when using a high pass 4th order Butterworth filter tuned near the enclosure vent frequency. Although the woofer is rated to 250Hz, typical applications will limit the high frequency response to 80Hz to 150Hz, depending on the response requirements of the full range or mid/high enclosure. The transducer is ideal for use in sub woofers that use bi-amped configurations.