* Nominal Impedance [Zn], 4 ohms [per coil] ; * Resonance Frequency [fs], Hz 26.4; * Power Handling Watts, Peak (RMS) 1500 (750); * Total Q-Factor [Qts] 0.36; * Equivalent Volume [Vas], ft3 (L) 2.3 (65.4); * Outer Frame Diameter, in (cm) 12 9/16 (31.8); * Hole Cut-Out Diameter, in (cm) 11 1/8...