DD audio SL712-D4

Speaker Size (In): 12 Watts RMS: 1000 Impedance: D4 VCD (In): 3 Piston Diameter (In): 12 Fs (Hz): 29 Qms: 5.4 Qes: 0.62 Qts: 0.54 Vas (Liters): 39.2 Xmech (MM): 40 Xmax (MM): 19 Frame OD (In): 12.375 Frame OD (MM): 314 Frame OD w/Gasket (In): 12.5 Frame OD w/Gasket (MM): 318 Mounting Diameter (In): 11.375 Mounting Diameter (MM): 289 Mounting Depth (In): 5.5 Mounting Depth (MM): 140 Motor Diameter (In): 6.7 Motor Diameter (MM): 170 Motor Depth (In): 2.5 Motor Depth (MM): 63.5 Woofer Displacement (CuFt): 0.07 Woofer Displacement (Liters): 2 Sealed Enclosure (CuFt): 0.7 - 1.5 Sealed Enclosure (Liters): 19.8 - 42.5 Ported Enclosure (CuFt): 1 - 1.75 Ported Enclosure (Liters): 28.3 - 50