B&C Speakers 12NW76-8 12-Inch Neodymium Ring Woofer — 8 Ω, 500 W RMS / 1000 W Continuous, 40–2000 Hz

Overview: The B&C Speakers 12NW76-8 is a 12.0 in low-frequency driver built for pro audio applications. It features a lightweight neodymium ring magnet assembly and a 76 mm (3 in) copper voice coil for high output with low distortion. The driver is optimized for robust power handling and controlled frequency response from 40 to 2000 Hz. Key features: - Continuous program power capacity: 1000 W - Nominal (RMS) power handling: 500 W - Sensitivity: 98.5 dB (1W/1m) - Frequency response: 40 - 2000 Hz - 76 mm (3 in) copper voice coil - Neodymium ring magnet assembly with aluminium demodulating ring for very low distortion - Ventilated voice coil gap to reduce power compression - TWP Waterproof treatment on both sides Electrical & acoustic specifications: - Nominal Diameter: 320 mm 12.0 in - Nominal Impedance: 8 Ω - Minimum Impedance: 6.9 Ω - Nominal Power Handling1: 500 W - Continuous power handling2: 1000 W - Sensitivity 1W/1m3: 98.5 dB - Frequency Range: 40 - 2000 Hz - Voice Coil Diameter: 76 mm 3.0 in - Winding Material: Copper - Former Material: Glass Fibre - Winding Depth: 19.0 mm 0.75 in - Magnetic Gap Depth: 11.0 mm 0.43 in - Flux Density: 1.3 T Mechanical & design details: - Surround Shape: Triple Roll - Cone Shape: Exponential - Magnet Material: Neodymium Ring - Spider: Single Pole Design - Woofer Cone Treatment: TWP Waterproof Both Sides - Recommended Enclosure: 50.0 dm3 1.77 ft3 - Recommended Tuning: 60 Hz Parameters: - Resonance Frequency: 40 Hz - Re: 5.3 - Qes: 0.17 - Qms: 3.7 - Qts: 0.16 - Vas: 76.0 dm3 2.7 ft3 - Sd: 522.0 cm2 80.9 in2 — 2.8 % - Xmax: 8.0 mm - Xvar: 10.0 mm - Mms: 77.0 g - Bl: 25.5 Txm - Le: 1.25 mH - EBP: 235 Hz Mounting and shipping: - Overall Diameter: 315 mm 12.4 in - Bolt Circle Diameter: 298 mm 11.7 in - Baffle Cutout Diameter: 283.0 mm 11.1 in - Depth: 147 mm 5.8 in - Flange and Gasket Thickness: 14 mm 0.55 in - Air Volume Occupied by Driver: 2.5 dm3 0.08 ft3 - Net Weight: 4.9 kg 10.8 lb - Shipping Units: 1 - Shipping Weight: 5.8 kg 12.79 lb - Shipping Box: 360x360x200 mm 14.17x14.17x7.87 in