TRF SW 1220M D2

MODEL: TRF SW 1220M D2 Size: 12nch RMS Power: 2000wrms MAX Watt: 4000wmax Cone: Paper many layers Dust cap : Plastic Surround material: Foam BIG  Voice coil bobbin: Aluminium Voice coil dimension : 3.0inch Voice coil layer: 8layer Nominal impedance:D2 Voice coil wire: Copper Spider dimension : 3''ID / 10''OD Spider material : NOMEX Spider layers :2pcs x 2layers Basket:TRF Die cast Aluminium  Basket color:Red Sensitivity:  94dB Frequency range:28-100Hz Fs: 28Hz Mechanical Q factor(Qms):3.2 Electrical Q factor(Qes):0.56 Total Q factor:(Qts):0.47 Xmax: 28mm Force factor: 21.3N/A Magnet Weight: -300Oz Basket:Die cast Alumium Magnet:Ferrite ''high performance magnet'' Magnet dimension:Φ200*25 mm 3PCS 1=Outer Dimension: 320mm 2=Mounting Depth: 230mm 3=Magnet Dimension: 200mm 4=Mounting Hole Dimension: 284mm Total weight :22kg