China L18/86138-New Product! Professional PA Speaker 18 Inch 1500W RMS Neodymium Subwoofer, Find details about China Subwoofer, Loudspeaker from L18/86138-New Product! Professional PA Speaker 18 Inch 1500W RMS Neodymium Subwoofer
General Specifications | ||
Nominal Diameter | 460/18 | mm/inch |
Rated Impedance | 8 | ohm |
Nominal Power handling | 1500 | Watts |
Program Power | 3000 | Watts |
Sensitivity(lw/lm) | 97 | dB |
Frequency Range | 37-1.5K | Hz |
Minimum Impedance(Zmin) | 6.9 | ohm |
Voice Coil Diameter | 115/4.5 | mm/inch |
Voice Coil Material | Copper | |
Voice Coil Winding Depth | 34 | mm |
Number of layers | 2 | |
Magnet gap depth | 13.5 | mm |
Cone Shape | Curved | |
Surround Shape | triple-roll | |
Basket | Cast Aluminum | |
Flux Density | 1.2 | T |
Magnet Material | Neodymium |
Mounting Information | ||
Overall Diameter | 461 | mm |
Bolt Circle Diameter | 443 | mm |
Bolt Hole Diameter | 8-8*7 | mm |
Baffle Cutout Diameter | 420 | mm |
Overall Depth | 230 | mm |
Net Weight | 19.2 | kg |
Shipping weight | 21.7 | kg |
Shipping Box | 500*500*240 | mm |
Thiele-Small parameters | |||
Resonance frequency | Fs | 37 | Hz |
DC resistance | Re | 5.4 | ohm |
Mechanical factor | Qms | 14.25 | |
Electrical factor | Qes | 0.37 | |
Total factor | Qts | 0.36 | |
Mechanical compliance | Cms | 0.073 | mm/N |
Mechanical resistance of suspension losses | Rms | 3.94 | mech-ohm |
Effective Moving Mass | Mms | 230.6 | gr |
Half-space efficiency | Eff | 3.6 | % |
BL Factor | BL | 28.6 | T.m |
Equivalent Cas air load | Vas | 169 | liters |
Effective piston area | Sd | 0.1288 | m2 |
Max.linear excursion | Xmax | 14 | mm |
Voice-coil inductance | LelK | 2.02 | mH |