China Good Feedback! Professional 18 Inch PA Speaker 1500W RMS Neodymium Subwoofer, Find details about China Subwoofer, Loudspeaker from Good Feedback! Professional 18 Inch PA Speaker 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 |