L18 / 8631 -18 pulgadas Pro Audio Altavoz parlante profesionale de 1000W RMS china wholesale 
Pa subwoofer speaker
1.Subwoofer which is ideal for high quality professional bass reflex and bass horn systems
2.Hipower Audio is a professinal speaker factory with experience in the PA speaker field for 12 years. We make our own tranducers ,HF drivers and empty cabinets.
3.Speaker's Details:
| General Specifications | | Nominal Diameter | 460/18 | mm/inch | | Rated Impedance | 8 | ohm | | Nominal Power handling | 1000 | Watts | | Program Power | 2000 | Watts | | Sensitivity(lw/lm) | 96 | dB | | Frequency Range | 36.5-450 | Hz | | Minimum Impedance(Zmin) | 9.9 | ohm | | Voice Coil Diameter | 150/6 | mm/inch | | Voice Coil Material | Copper | | | Voice Coil Winding Depth | 29 | 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 | |
| Mounting Information | | Overall Diameter | 471 | mm | | Bolt Circle Diameter | 440 | mm | | Bolt Hole Diameter | 6.5x2.5 | mm | | Baffle Cutout Diameter | 415 | mm | | Overall Depth | 205 | mm | | Net Weight | 26 | kg |
| Thiele-Small parameters | | Resonance frequency | Fs | 36.5 | Hz | | DC resistance | Re | 6.5 | ohm | | Mechanical factor | Qms | 11.2 | | | Electrical factor | Qes | 0.27 | | | Total factor | Qts | 0.26 | | | Mechanical compliance | Cms | 0.05 | mm/N | Mechanical resistance
of suspension losses | Rms | 7.6 | mech-ohm | | Effective Moving Mass | Mms | 370 | gr | | Half-space efficiency | Eff | 1.86 | % | | BL Factor | BL | 45.2 | T.m | | Equivalent Cas air load | Vas | 108 | liters | | Effective piston area | Sd | 0.1225 | m2 | | Max.linear excursion | Xmax | 11 | mm | | Voice-coil inductance | LelK | 6.4 | mH |
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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.
