Features 1" KSV voice Coil Ferrite Oxide Magnet Enhanced Midbass Wider Frequency Response Paper cone Cloth surround Sold in Single Specifications Nominal Power Handling: 150 Watts Peak Power Handling: 300 Watts Impedance: 8 Ω Resonant Frequency (fs): 99.3 Hz D.C. Voice Coil Resistance (Re): 5.8Ω Mechanical Quality Factor (Qms): 5.37Ω Electrical Quality Factor (Qes): .96 Total Quality Factor (Qts): 0.81 Equivalent Air Volume (Vas): 12.0 L Cms: .38 mm/N Mass of Diaphragm/Coil (Mms): 6.7gr Force Fa