L18/8646-Parlante Pro Audio Professional Speaker of 18 Inch Subwoofer 
2. Impact subwoofer
3. 4"voice coil
4. 650Watt, 97.5dB
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 | 650 | Watts |
| Program Power | 1300 | Watts |
| Sensitivity(lw/lm) | 97.5 | dB |
| Frequency Range | 40-1.5K | Hz |
| Minimum Impedance(Zmin) | 6.55 | ohm |
| Voice Coil Diameter | 100/4 | mm/inch |
| Voice Coil Material | Copper | |
| Voice Coil Winding Depth | 23 | mm |
| Number of layers | 2 inside/outside | |
| Magnet gap depth | 12 | mm |
| Surround Shape | Triple-roll | |
| Basket | Cast Aluminum | |
| Flux Density | 1.0 | T |
| Magnet Material/Mass | Ceramic | |
| Thiele-Small parameters |
| Resonance frequency | Fs | 40.6 | Hz |
| DC resistance | Re | 5.4 | ohm |
| Mechanical factor | Qms | 14.92 | |
| Electrical factor | Qes | 0.35 | |
| Total factor | Qts | 0.34 | |
| Mechanical compliance | Cms | 0.0868 | mm/N |
Mechanical resistance
of suspension losses | Rms | 3.02 | mech-ohm |
| Effective Moving Mass | Mms | 176 | gr |
| Half-space efficiency | Eff | 3.36 | % |
| BL Factor | BL | 26.38 | T.m |
| Equivalent Cas air load | Vas | 181.94 | liters |
| Effective piston area | Sd | 0.1225 | m2 |
| Max.linear excursion | Xmax | 8 | mm |
| Voice-coil inductance | LelK | 1.93 | mH |
| 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 | 202 | mm |
| Net Weight | 17 | kg |
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.
