The C12R has a warm low and mid response with smooth/bright highs. When presented with overdrive distortion, the C12R presents smooth crunch with low-end focus. 12" speaker 25 watt rated power Ceramic Magnet Available in 8 ohm impedance General Characteristics Nominal Overall Diameter 306 mm 12 in Nominal Voice Coil Diameter 25 mm 1.0 in Magnet Weight 270 g 10 oz Overall Weight 3.10 lbs Flux Density 1.0 T Thiele-Small Parameters Voice Coil DC Resistance RE 6.50