B&C 18DS115-8 18" Neodymium Subwoofer Speaker 3400W 8-Ohm Bass Sub 35-500 Hz
back3400 W continuous program power capacity 116 mm (4.5 in) four layer aluminum voice coil 30 - 500 Hz response98 dB sensitivityDouble silicone spider with optimized complianceVentilated voice coil gap for reduced power compressionAluminium demodulating ring for very low distortionThis next evolution subwoofer uses a new, longer, four layer aluminum voice coil. The result is more energy in the gap, less heat, higher sensitivity, higher power handling, lower distortion and better overall performance. The 18DS115 features a 40mm long, 4.5 inch diameter (116mm) Copper Clad Aluminum Wire voice coil. With a 1700watt AES power rating, 98 dB sensitivity, and over 14.0mm of Xvar, this high energy subwoofer is a significant step forward next 3400 WContinuous power handling 4.5 in (116 mm)Voice coil diameter Neodymium Inside SlugMagnet material This next evolution subwoofer uses a new, longer, four layer aluminum voice coil. The result is more energy in the gap, less heat, higher sensitivity, higher power handling, lower distortion and better overall performance. The 18DS115 features a 40mm long, 4.5 inch diameter (116mm) Copper Clad Aluminum Wire voice coil. With a 1700watt AES power rating, 98 dB sensitivity, and over 14.0mm of Xvar, this high energy subwoofer is a significant step forward from similar models in the B&C range. Last viewed product Features 3400 W continuous program power capacity 116 mm (4.5 in) four layer aluminum voice coil 30 - 500 Hz response 98 dB sensitivity Double silicone spider with optimized compliance Ventilated voice coil gap for reduced power compression Aluminium demodulating ring for very low distortion Parameters Specifications Nominal Diameter460 mm (18.0 in) Nominal Impedance8 Ω Minimum Impedance7.0 Ω Nominal Power Handling11700 W Continuous Power Handling23400 W Sensitivity398.0 dB Frequency Range30 - 500 Hz Voice Coil Diameter116 mm (4.5 in) Winding MaterialAluminium Former MaterialGlass Fibre Winding Depth40.0 mm (1.57 in) Magnetic Gap Depth14.0 mm (0.55 in) Flux Density0.8 T Design Surround ShapeTriple Roll Cone ShapeRadial Magnet MaterialNeodymium Inside Slug SpiderDouble Silicone Pole DesignT-Pole Woofer Cone TreatmentTWP Waterproof Both Sides Recommended Enclosure100.0 dm3 (3.53 ft3) Recommended Tuning40 Hz Parameters4 Resonance Frequency30 Hz Re5.0 Ω Qes0.21 Qms4.3 Qts0.2 Vas168.0 dm3 (5.93 ft3) Sd1210.0 cm2 (187.55 in2) η₀2.2 % Xmax16.5 mm Xvar14.0 mm Mms330.0 g Bl39.0 Txm Le3.85 mH EBP142 Hz