Faital PRO 6PR150 Lautsprecher THIELE SMALL PARAMETERS: Fs 128 Hz Re 5.5 Ohm Bl 13.7 N/A Mms 15.4 g Cms 0.1 mm/N Rms 1.6 Kg/s Qes 0.36 Qms 7.90 Qts 0.35 Vas 3.1 dm^3 (0.11 ft^3) Sd 147.8 cm^2 (5.82 in^2) Xmax * 2.3 mm Xdamage ** 11.6 mm Le 0.28 mH Mmd 14.6 g Eta Zero 1.75 % NOMINAL SPECIFICATIONS: Nominal Diameter 160 mm (6 in) Overall Diameter 186.5/162 mm (7.34/6.37 in) Bolt Circle Diameter 172 mm (6.77 in) Baffle Cutout Diameter 145 mm (5.7 in) Depth 87.2 mm (3.43 in) Flange and Gasket Thickness 7.5 mm (0.29 in) Net Weight 1.4 Kg (3.08 lb) Shipping Box (Single Carton Box) 195x195x141 mm (7.68x7.68x5.55 in) Shipping Weight 1.6 Kg (3.52 lb) ElECTRICAL SPECIFICATIONS: Minimum Impedance 6.6 Ohm Nominal Impedance 8 Ohm Nominal Power Handling *** 150 W Maximum Power Handling **** 300 W Sensitivity (1W/1m) 97 dB Frequency Range 1305000 Hz Voice Coil Diameter 52 mm (2 in) Winding Material Al Former Material Glass Fiber Winding Depth 6.6 mm (0.26 in) Magnetic Gap Depth 6 mm (0.24 in) Flux Density 1.35 T