1. 18 inch Acoustic Pro Audio Speakers Subwoofer
2. Reasonable price for a 18" Loud speaker like this which delivers good bass sound.This model has won a good name among the oversea customers in its performance and consistancy .
3. Pro sound, PA audio , speaker system, speaker enclosure, professional speaker
4.Hipower Audio is a professinal loud speaker factory with experience in the speaker field for 20 years. We make our own tranducers ,HF drivers and empty cabinets.
5.speaker's curves:
6.Details:
General Specifications | ||
Nominal Diameter | 460/18 | mm/inch |
Rated Impedance | 8 | ohm |
Nominal Power handling 1 | 1800 | Watts |
Program Power 2 | 3600 | Watts |
Sensitivity(lw/lm) 3 | 98 | dB |
Frequency Range 4 | 40-2.5K | Hz |
Minimum Impedance(Zmin) | 7.2 | ohm |
Voice Coil Diameter | 115/4.5 | mm/inch |
Voice Coil Material | Copper Clad Aluminum | |
Voice Coil Winding Depth | 30 | mm |
Number of layers | 2(Inside/Outside) | |
Magnet gap depth | 15 | mm |
Cone Shape | Curved | |
Surround Shape | Triple roll | |
Basket | Cast Aluminum | |
Flux Density | 1.2 | T |
Magnet Material/Mass | Neodymium |
Thiele-Small parameters | |||
Resonance frequency | Fs | 41 | Hz |
DC resistance | Re | 5.2 | ohm |
Mechanical factor | Qms | 12.83 | |
Electrical factor | Qes | 0.38 | |
Total factor | Qts | 0.37 | |
Mechanical compliance | Cms | 0.075 | mm/N |
Mechanical resistance
of suspension losses |
Rms | 3.93 | mech-ohm |
Effective Moving Mass | Mms | 191.1 | gr |
Half-space efficiency | Eff | 3.18 | % |
BL Factor | BL | 26.6 | T.m |
Equivalent Cas air load | Vas | 165 | liters |
Effective piston area | Sd | 0.1288 | m2 |
Max.linear excursion | Xmax | 13 | mm |
Voice-coil inductance | LelK | 1.72 | mH |
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 | 255 | mm |
Net Weight |