Specifications:RAMPAGE 12D1 Frequency Response:10 Hz ~ 500 Hz Sensitivity:87.8 dB Nominal Impedance:Dual 1 Ohm DC Resistance (RE):1.8 Ohm Resonance Frequency (FS):34.6 Hz Power Handling:3000 Watts Peak Dynamic Power Handling:12000 Watts QMS: 7.21 QES:0.55 QTS: 0.511 VAS:9.7 L Voice Coil Diameter:4" CMS:30 um/N MMS:635 g BL^2/RE:246.9 Magnet Weight: 1100 Oz XMAX one way: 40 mm / 1.575" Displacement: 10.22 L / 0.361 cu.ft
