MODEL:TRF SPL SW1830 D1
Size: 18inch
Cone: Competition Grade Paper
Surround material: Foam
Voice coil: 3.0inch
Voice coil layer: 8layer
Nominal impedance:dual 1ohm
Voice coil wire:aluminium
RMS Power: 3000wrms
MAX Watt:6000wmax
Sensitivity: 91.2dB
Resonance frequency(f0): 34.8Hz
Mechanical Q factor(Qms): 6.71
Electrical Q factor:(Qes):0.64
Total Q factor:(Qts): 0.59
Xmax: 21mm
Force factor: 14.8N/A
Magnet Weight: 300Oz
Gascet:aluminium
1=Outer Dimension: 467mm - 18.4"
2=Mounting Depth: 298mm - 11.7"
3=Magnet Dimension: 226mm - 8.9"
4=Mounting Hole Dimension: 428mm - 16.9"