B & C Speaker 18DS100-4 18-inch Woofer 4 Ohms Impedance — 1500 W / 3000 W, Ventilated Voice Coil

Overview: The B & C Speaker 18DS100-4 is a high-energy 18.0 in pro audio woofer engineered for demanding subwoofer applications. It combines high sensitivity with substantial power capacity and design features that reduce distortion and thermal compression. Highlights: - 3000 W continuous program power capacity - 100 mm (4 in) copper voice coil - Frequency response: 32 - 1000 Hz - Sensitivity: 98 dB (1W/1m) - Double silicone spider with optimized compliance - Ventilated voice coil gap to minimize power compression - Aluminium demodulating ring for very low distortion Technical specifications: - Nominal Diameter: 460 mm 18.0 in - Nominal Impedance: 4 - Minimum Impedance: 4.0 - Nominal Power Handling1: 1500 W - Continuous power handling2: 3000 W - Sensitivity 1W/1m3: 98.0 dB - Frequency Range: 32 - 1000 Hz - Voice Coil Diameter: 100 mm 4.0 in - Winding Material: Aluminium - Former Material: Glass Fibre - Winding Depth: 36.0 mm 1.42 in - Magnetic Gap Depth: 16.0 mm 0.63 in - Flux Density: 0.7 T Mounting and shipping information: - Overall Diameter: 460 mm 18.11 in - Bolt Circle Diameter: 443 mm 17.44 in - Baffle Cutout Diameter: 422.0 mm 16.61 in - Depth: 239 mm 9.41 in - Flange and Gasket Thickness: 16 mm 0.63 in - Air Volume Occupied by Driver: 10.0 dm3 0.35 ft3 - Net Weight: 10.5 kg 23.15 lb - Shipping Units: 1 - Shipping Weight: 12.3 kg 27.12 lb - Shipping Box: 500x500x300 mm 19.69x19.69x11.81 in Design and recommended enclosure: - Surround Shape: Triple Roll - Cone Shape: Radial - Magnet Material: Neodymium - Inside Slug Spider: Double Silicone - Pole Design: T-Pole - Woofer Cone Treatment: TWP Waterproof Both Sides - Recommended Enclosure: 200.0 dm3 7.06 ft3 - Recommended Tuning: 35 Hz Driver development note: This evolution of the 18DS100 employs a new, longer, four-layer aluminium voice coil that reduces heat buildup, increases flux in the magnetic gap, raises sensitivity and power handling, and lowers distortion for improved overall performance. The 18DS100 features a 36mm long, 4 inch diameter 100mm Copper Clad Aluminum Wire voice coil. With a 1500watt AES power rating, 98 dB sensitivity, and over 14.0mm of Xvar, this high-energy subwoofer represents a notable step forward compared to other models in the B & C range.