DS18 12" Pro Car Audio Subwoofer 2500 Watts 4 Ohm Dual Voice Coil EXL-X12.4D
Premier DS18 Subwoofer line brings great bass without being super power hungry and looks amazing. High strength rubber surround will hold with great ease while pushing out loud and clean bass. Amazing looks including DS18 red painted basket with DS18 stamped protective motor boot. Designed for sealed / ported boxes and will produce amazing bass in all vehicles. DS18 12" Pro Car Audio Subwoofer 2500 Watts 4 Ohm Dual Voice Coil EXL-X12.4D This listing includes: (1) DS18 12" Subwoofer EXL-X12.4D EXL X (Extremely loud) competition grade subwoofers features DS18 private red aluminum basket, fiber glass dust cap, 2.57" voice coils and 2500 watts of power, with the combination of modern technologies and unique engineering solutions this subwoofer is the evidence of DS18 technological and methodical dominance, EXL X is the best choice to enter the bass head world in the lanes or to play daily music. SPECIFICATIONS: Nominal Diameter: 12" (304.8 mm) Nominal Impedance: 4+4 OHMS RMS Power Handling: 1250 Watts MAX Power Handling: 2500 Watts Sensitivity (1w/1m): 88 dB Frequency Response: 30Hz-1.7KHz Recommended Lo Pass Crossover: 100 Hz MOTOR: Voice Coil Diameter: 2.57" (65.2 mm) Voice Coil Former Material: Black Aluminum Winding Material: SV Cone Material: Non Pressed Paper + Glass Fiber Dust Cap Material: PPI Surround Material: Foam Basket Material: Aluminum Basket Color: Glossy Red Magnet Material: Ferrite Magnet Weight: 2 x 105 Oz Displacement Volume: 3L / 0.105 ft THIELE & SMALL PARAMETERS: Equivalent Volume Vas: 9.1L / 0.32 ft Excursion (one way)Xmax: 30 mm Free Air Resonance Fs: 56 Hz Mechanical Factor Qms: 3.305 Electrical Factor Qes: 0.482 Total Factor Qts: 0.431 Moving Mass Mms: 307.124g Compliance Cms: 0.025 mm/N Bl Factor Bl: 20.105 Voice Coil Inductance Le: 10.3mH Diaphragm Area Sd: 490.87cm DC Resistance Re: 3.7+3.7 OHM Efficiency Bandwidth Product EBP: 116.1 RECOMMENDED ENCLOSURES: Sealed Internal Volume: Not Recommended Ported Internal Volume: 36L / 1.27ft Port Size *Square (WxHxLong): 1.89"x12.28"x13.8" Port Tuning Frequency Fb: 50 Hz Ported Box Output Response F3: 42 Hz MEASUREMENT: Overall Diameter: 12.6" (321 mm) Overall Depth: 8.14" (207 mm) Front Mount Baffle Cutout: 11.1" (282 mm) Mounting Depth: 7" (180 mm) Motor Diameter: 7.72" (196 mm)