6 1/2" Polypropylene (400-1011A) Specifications Faxback Doc. # 14030 Woofer Nominal Impedance:..................................................8 Ohms Frequency Response:.............................................50-6000 Hz Free Air Resonance (Fs):.............................................50 Hz Equivalent Air Volume (Vas):................................1.5 ft. (42 I) SPL:.....................................................92 +/- 2 dB/1W/1m Moving Mass (Mms):...................................................11.5g Total Q:...............................................................0.4 Peak Power Handling (enclosed):...................................50 watts Magnet Weight:....................................................9.77 oz. Speaker Weight:...................................................32.6 oz. (ALL-03/09/95)