15.0 inches Coaxial Speaker w/Titanium Diaphragm Material and Ceramic Magnet

Nominal diameter: 380 mm 15.0 in Nominal impedance: 8 Ohms Minimum impedance lf: 6.0 Ohms Minimum impedance hf: 7.8 Ohms Frequency range: 40 - 18000 Hz Dispersion angle: 80 Degrees Magnet material: CeramicSpecifications LF Unit LF Sensitivity: 98.0 dB LF Nominal Power Handling: 400 W LF Continuous Power Handling: 800 W LF Voice Coil Diameter: 76 mm 3.0 in LF Winding Material: CopperSpecifications HF Unit HF Sensitivity: 105.0 dB HF Nominal Power Handling: 80 W HF Continuous Power Handling: 160 W HF Voice Coil Diameter: 75 mm 3.0 in HF Winding Material: Aluminium Diaphragm material: Titanium Recommended crossover: 1.2 kHzParameters Fs: 40 Hz Re: 5.2 Ohms Qes: 0.47 Qms: 8.3 Qts: 0.44 Vas: 187.0 dm3 6.6 ft3 Sd: 855.0 cm2 132.5 in2 no: 2.5 % Xmax: 6.5 mm Xvar: 7.5 mm Mms: 87 g Bl: 15.6 Txm Le: 1.2 mH EBP: 85 HzMounting And Shipping Info Overall diameter: 393 mm 15.5 in Bolt circle diameter: 374 mm 16.7 in Baffle cutout diameter: 353 mm 13.9 in Depth: 199 mm 7.83 in Flange and gasket thickness: 16 mm 0.62 in Net weight: 9.0 kg 19.8 lb Shipping units: 1 Shipping weight: 9.7 kg 21.4 lb Shipping box: 446 x 439 x 253 mm 17.5 x 17.3 x 10 in Service Kit Service kit lf: RCK15FCX768 Replacement diaphragm: MMD3BTN8M