Features Specifications Size - 6.5" Impedance: 8Ω Nominal Power - 75 Watts Dynamic Power - 350 Watts Resonance 126.9 Hz Sensitivity: 87.7 dB Voice Coil Diameter: 1" Sold As - Single Driver Composition Voice Coil Wire: CCAW Magnet: Ferrite Basket: Stamped Steel Cone: paper Cone Edge: cloth T/S Parameters Resonant Frequency (fs) 126.9 DC Resistance (RE) 5.2 Coil Inductance (LE) 0.00mH Mechanical Q Qms) 6.53 Electromagnetic Q (QES): 3.06 Total Q (QTS) 2.08 Compliance Equivalent volume (VAS) 5.8 Mec