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