B&C Speakers 15FW76-8 15-inch Ferrite LF Driver — 8 Ω, 500 W RMS / 1000 W Program, 76 mm Copper Voice Coil

Overview: The B&C Speakers 15FW76-8 is a 15.0 in ferrite low-frequency driver engineered for professional audio duties. It features a large 76 mm (3.0 in) copper voice coil, a wide 40 - 2000 Hz frequency response and a high sensitivity of 100 dB, making it suitable for demanding woofer applications. Key features: - 1000 W continuous program power capacity and 500 W nominal power handling. - Aluminium demodulating ring for very low distortion. - Double silicone spider combined with a ventilated voice coil gap for improved thermal and mechanical control. - WP (Waterproof) treatment on the front side of the cone for increased durability. Electrical and motor assembly: - Nominal Impedance: 8 Ω (Minimum Impedance: 6.4 Ω) - Voice Coil Diameter: 76 mm 3.0 in, Winding Material: Copper, Former Material: Glass Fibre - Magnetic Gap Depth: 11.0 mm 0.43 in, Flux Density: 1.25 T - Winding Depth: 19.0 mm 0.75 in Acoustical data and recommended enclosure: - Frequency Range: 40 - 2000 Hz - Sensitivity 1W/1m3: 100.0 dB - Recommended Enclosure: 80.0 dm3 2.82 ft3 with a Recommended Tuning of 50 Hz Mechanical and design details: - Nominal Diameter: 380 mm 15.0 in; Overall Diameter: 393 mm 15.5 in - Baffle Cutout Diameter: 354.0 mm 13.9 in; Bolt Circle Diameter: 374 mm 14.7 in - Depth: 177 mm 6.97 in; Flange and Gasket Thickness: 14 mm 0.55 in - Surround Shape: Triple Roll; Cone Shape: Exponential; Magnet Material: Ferrite; Pole Design: T-Pole - Spider: Double Silicone; Woofer Cone Treatment: WP Waterproof Front Side Thiele/Small and performance parameters: - Resonance Frequency: 40 Hz - Re: 5.1; Qes: 0.22; Qms: 5.1; Qts: 0.21 - Vas: 138.0 dm3 4.9 ft3; Sd: 855.0 cm2 132.5 in2; : 3.9 % - Xmax: 7.0 mm; Xvar: 8.0 mm; Mms: 117.0 g; Bl: 26.2 Txm; Le: 1.4 mH; EBP: 181 Hz Mounting, weight and shipping: - Air Volume Occupied by Driver: 5.5 dm3 0.19 ft3 - Net Weight: 9.2 kg 20.2 lb; Shipping Weight: 10.5 kg 23.15 lb; Shipping Units: 1 - Shipping Box Dimensions: 425x425x224 mm 16.73x16.73x8.82 in This driver combines robust mechanical construction, high thermal capacity and low distortion design elements for reliable performance in pro audio low-frequency systems.