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FW-series Hyperbolic Paraboloid Woofer Features • 160mm (6in) cone type woofer • Hyperbolic Paraboloid (HP) diaphragm • UDR (updown roll) tangential surround & spider • Well-tuned Qts value for richer low frequency FW168HP-X Specifications & Thiele/Small Parameters Size : 160 mm / 6 Voice Coil Diameter : 35 mm / 1.4 Cast / Stamped : Stamped Impedance : 8 Ω Reproduction Frequency Response :fs 10 kHz Sound Pressure Level : 88 dB/W(m) Rated Input : 34 W Music Power : 100 W Magnet Material : Ferrite Magnet Weight (main) : 1,090 g / 2.403 (cancel) : n/a g / n/a Net Weight 3,550 g / 7.826 a: 61 Sd : 0.011 Zn : 8 Fs : 70 Re : 7.1 Le : 0.05 Qms : 3.085 Qes : 0.65 Qts : 0.53 Mms : 15.2 BL : 8.54 Vas : 5.843 Xmax : 2.7 Eff/η0 : 0.3 Cms : 0.000344 EBP : 107 mm m2 Ω Hz Ω mH g Telsa/m L mm % mm/N in in Frequency Response / Impedance lb lb lb Dimensions & Mounting Information Overall Diameter : Baffle Hole Diameter : Depth : 190 mm / 7 in 151 mm / 96 mm / 6 in 4 in