STLF-18120A | 18" Cast Aluminum Frame High-Power Raw Woofer Speaker, 500 Watts Pro Audio PA DJ Replacement Subwoofer Low Frequency Driver

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The Sound Town STLF-18120A is an 18” universal replacement driver for PA/DJ woofers. It is compatible with Sound Town PA speakers (subwoofers) and compatible with other brand speak ers with an 18” subwoofer. The subwoofer comes with an 8-ohm impedance and has a frequency range of 35-2K Hz with a sensitivity of 100dB. It has a built-in cast aluminum chassis and has a paper cone with cloth edge. With 500W RMS power handling capability, the STLF-18120A delivers a massive and deep bass, and makes a great replacement woofer for your 18-inch PA/DJ speakers or subwoofer cabinets. FEATURES 18” cast aluminum frame 4” voice coil and 120-oz magnet produce superb sound 500W RMS power handling capability SPECIFICATIONS Details Model STLF-18120A Resonance 36Hz Nominal Basket Diameter 18" Frequency Response 36Hz-2KHz Nominal Impedance 8Ω Sensitivity 98±3dB Power Rating 500W RMS Magnet Weight 120 OZ Peak Power 1000W Peak Voice Coil Diameter 4.0" VC Thiele & Small Parameters Resonant Frequency (fs) 36Hz Compliance Equivalent Volume (Vas) 253.6 Ltr DC Resistance (Re) 7.2Ω Mechanical Compliance of Suspension (Cms) 0.093 mm/N Mechanical Q (Qms) 3.268 BL Product (BL) 15.181 Tm Electromagnetic Q (Qes) 1.083 Diaphragm Mass Inc. Airload (MMs) 111.86 g Total Q (Qts) 0.813 Surface Area of Cone (Sd) 1385 cm2 Mounting Information Overall Diameter 18.8", 478 mm Mounting Holes Diameter 8-0.26"x0.31", 8-6.5x8 mm Depth 7.5", 190 mm Net Weight 37.4 lbs, 17.0 kg Baffle Hole Diameter 16.85", 428 mm Shipping Weight 40.7 lbs, 18.5 kg Installation Position Diameter 18.1", 460mm Materials of Construction Coil Construction Round Copper Cone Composition Paper Cone Coil Former Aluminum Cone Edge Composition Cloth Edge Magnet Composition Ferrite Dust Cap Composition Paper Cap Basket Materials Die Cast Aluminum Dimension & Weight Product Width (in.) ∅18.7" Package Width (in.) 20.9" Product Height (in.) --" Package Height (in.) 10.2" Product Depth (in.) 7.6" Package Depth (in.) 20.9" Product Weight (lb.) 37.4 lbs Package Weight (lb.) 40.7 lbs Warranty/Certifications Manufacturer Warranty 1 year Show more