Product informationhome>>SP18-3000


    • Features
    • * 3600W continuous program power capacity

      * 96dB sensitivity1w/1m

      * 30Hz-1200Hz frequency response range

      * 4'' tetracoil voice coil, equivalent to a single coil diameter larger than 152mm(>6inch)

      * Low noise forced air cooling design

      *Suitable for vented,horn loaded and bandpass subwoofer application


General Specifications
Nominal Diameter 460/18 mm/inch
Rated Impedance 8 ohm
Nominal Power handling1 1800 Watts
Program Power2 3600 Watts
Sensitivity(lw/lm)3 96 dB
Frequency Range4 30-1200 Hz
Minimum Impedance(Zmin) 7.2 ohm
Voice Coil Diameter 100/4 mm/inch
Voice Coil Material Copper
Former Material Glass Fiber
Voice Coil Winding Depth 27 mm
Number of layers 2(inside/outside)
Magnet gap depth 12 mm
Basket Cast Aluminum
Flux Density 0.9 T
Magnet Material 125 oz
Thiele-Small parameters
Resonance frequency Hz
DC resistance Re 4.6 ohm
Mechanical factor Qms 10.9
Electrical factor Qes 0.49
Total factor Qts 0.47
Mechanical compliance Cms 0.1 mm/N
Mechanical resistance
of suspension losses
Rms 4.8 mechk-ohm
Effective Moving Mass Mms 269 gr
Half-space efficiency Eff 1.24 %
BL Factor BL 22.2 T.m
Equivalent Cas air load Vas 212 liters
Effective piston area Sd 0.1244 m2
Max.linear excursion5 Xmax 12.5 mm
Voice coilinductance LelK 1.7 mH
Efficiency Bandwidth Product LelK 64 mH
Mounting Information
Overall Diameter 460 mm
Bolt Circle Diameter 442 mm
Bolt Hole Diameter 8.3 mm
Baffle Cutout Diameter 415 mm
Overall Depth 274 mm
Net Weight 11.7 kg
Shipping Weight 12.7 kg
Shipping Box 480x480x295 mm