L18/8637-Pro Audio 18 Inch Subwoofer Componente De Parlante Bajo Powerful 800W 
2. Impact subwoofer
3.5"voice coil, 253mm magnet
4. 800Watt RMS power, 98dB
5. Yearly sales: 3000 PCS
6. Terrific PRO audio subwoofer of compass bass relex
7. Reasonable price for a 18" speaker like this which delivers good bass sound. This model has been in sales for more than 3 years and it has won a good name among the oversea customers in its performance and consistancy.
8. Hipower Audio is a professinal speaker factory with experience in the speaker field for 8 years. We make our own tranducers, HF drivers and empty cabinets.
9. Componente de parlante bajo 18 pulgadas
| General Specifications |
| Nominal Diameter | 460/18 | mm/inch |
| Rated Impedance | 8 | ohm |
| Nominal Power handling | 800 | Watts |
| Program Power | 1600 | Watts |
| Sensitivity(lw/lm) | 98 | dB |
| Frequency Range | 47-1.7K | Hz |
| Minimum Impedance(Zmin) | 7 | ohm |
| Voice Coil Diameter | 125/5 | mm/inch |
| Voice Coil Material | Copper Clad Aluminum | |
| Voice Coil Winding Depth | 24 | mm |
| Number of layers | 2 | |
| Magnet gap depth | 12 | mm |
| Cone Shape | Curved | |
| Surround Shape | Triple-roll | |
| Basket | Cast Aluminum | |
| Flux Density | 1.1 | T |
| Magnet Material/Mass | Ceramic | |
| Mounting Information |
| Overall Diameter | 466.5 | mm |
| Bolt Circle Diameter | 442 | mm |
| Bolt Hole Diameter | 6.5*5.5 | mm |
| Baffle Cutout Diameter | 423 | mm |
| Overall Depth | 206 | mm |
| Net Weight | 15.5 | kg |
| Thiele-Small parameters |
| Resonance frequency | Fs | 47 | Hz |
| DC resistance | Re | 5.6 | ohm |
| Mechanical factor | Qms | 13.9 | |
| Electrical factor | Qes | 0.53 | |
| Total factor | Qts | 0.51 | |
| Mechanical compliance | Cms | 0.06 | mm/N |
Mechanical resistance
of suspension losses | Rms | 3.77 | mech-ohm |
| Effective Moving Mass | Mms | 177 | gr |
| Half-space efficiency | Eff | 2.47 | % |
| BL Factor | BL | 23.5 | T.m |
| Equivalent Cas air load | Vas | 130 | liters |
| Effective piston area | Sd | 0.1207 | m2 |
| Max.linear excursion | Xmax | 8 | mm |
| Voice-coil inductance | LelK | 1.79 | mH |
Guangzhou HiPower Audio Co., Ltd. is located in GuangZhou, China. As a head manufacturer of high quality professional speakers, our 10000sqm factory is outfitted with 6 customized production lines, allowing us to meet the needs of OEM partners.
Hipower specializes in manufacturing high-quality and reliable loudspeakers. Our product ranges consist of professional low frequency transducers, high frequency compression drivers, and Karaoke speakers.
In the R&D, our experienced engineers and technicians carry out research on new materials, state-of-the-art components and advanced product designs with the help of an anechoic chamber, test instruments and simulation software.
Since Hipower was found, we have established a high standard of quality. Our management, manufacturing and quality standards are guaranteed by the ISO9001: 2000 system in 2008.
We are looking forward to establishing long-term relationships with you.
