L18/8635-Professional PA Speaker Subwoofer
1. 18-inch PA speaker
2. For subwoofer
3. 700W RMS, 98dB
4. 4 inch voice coil, 220mm magnet
5. Subwoofer which is ideal for high quality professional bass reflex and bass horn systems
6. Hipower Audio is a professinal speaker factory with experience in the PA speaker field for 8 years. We make our own tranducers, HF drivers and empty cabinets.
.Speaker's Details:
| General Specifications |
| Nominal Diameter | 460/18 | mm/inch |
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| Rated Impedance | 8 | ohm |
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| Nominal Power handling1 | 700 | Watts |
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| Program Power2 | 1400 | Watts |
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| Sensitivity(lw/lm)3 | 98 | dB |
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| Frequency Range4 | 39-1.0K | Hz |
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| Minimum Impedance(Zmin) | 7.0 | ohm |
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| Voice Coil Diameter | 100/4 | mm/inch |
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| Voice Coil Material | Copper |
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| Voice Coil Winding Depth | 23 | mm |
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| Number of layers | 2(Inside/Outside) |
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| Magnet gap depth | 12 | mm |
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| Surround Shape | Triple-roll |
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| Basket | CastAluminum |
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| Flux Density | 1.1 | T |
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| Magnet Material/Mass | Ceramic |
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| Thiele-Small parameters |
| Resonance frequency | Fs | 39 | Hz |
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| DC resistance | Re | 5.4 | ohm |
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| Mechanical factor | Qms | 14.2 |
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| Electrical factor | Qes | 0.41 |
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| Total factor | Qts | 0.39 |
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| Mechanical compliance | Cms | 0.10 | mm/N |
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Mechanical resistance
of suspension losses | Rms | 2.8 | mech-ohm |
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| Effective Moving Mass | Mms | 160 | gr |
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| Half-space efficiency | Eff | 3.0 | % |
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| BL Factor | BL | 22.9 | T.m |
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| Equivalent Cas air load | Vas | 207 | liters |
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| Effective piston area | Sd | 0.1213 | m2 |
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| Max.linear excursion | Xmax | 8 | mm |
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| Voice-coil inductance | LelK | 1.89 | mH |
| Mounting Information |
| Overall Diameter | 466.5 | mm |
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| Bolt Circle Diameter | 442 | mm |
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| Bolt Hole Diameter | 6.5x5.5 | mm |
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| Baffle Cutout Diameter | 423 | mm |
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| Overall Depth | 202 | mm |
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| Net Weight | 12.8 | 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.
