10" Polypropylene Woofer (400-1014) Specifications Faxback Doc. # 14199 Frequency Response:...................................35 Hz - 3 KHz (-6dB) Nominal Impedance:..................................................8 Ohms DC Resistance (Re):...............................................6.7 Ohms Free Air Resonance (Fs):............................................35.4Hz Suspension Compliance (CMS):.....................................0. 72mm/N Equivalent Air Volume (VAS):.........................................4.3Ft Effective Diameter (D):............................................8.25 in Effective Area (SD):.............................................0.0345 m2 Moving Mass (QMS):................................................28 Grams Mechanical Q (QMS):...................................................5.33 Electrical Q (QES):..................................................0.618 Total Q (QTS):.......................................................0.554 Peak Power Handling:..............................................40 Watts Peak-to-Peak Linear Excursion (Xd):.................................0.5 In Gap Flux Density (Bg):............................................11 Kg SPL(1w @ 1m):...................................................91.5 dB (ALL-03/16/95)