If you have any needs of this speaker, please email me.
1. PA speaker
2. woofer which for high quality compact 2-way systems
3. good price, good quality
4.other sizes could be available upon requests
5. woofer's details:
| General Specifications | ||
| Nominal Diameter | 250/10 | mm/inch |
| Rated Impedance | 8 | ohm |
| Nominal Power handling1 | 180 | Watts |
| Program Power2 | 360 | Watts |
| Sensitivity(lw/lm)3 | 95 | dB |
| Frequency Range4 | 61-3.5K | Hz |
| Minimum Impedance(Zmin) | 6.1 | ohm |
| Voice Coil Diameter | 50/2 | mm/inch |
| Voice Coil Material | Copper | |
| Voice Coil Winding Depth | 17 | mm |
| Number of layers | 2 | |
| Magnet gap depth | 8 | mm |
| Cone Shape | Curved | |
| Surround Shape | M-roll | |
| Basket | CastAluminum | |
| Flux Density | 1.1 | T |
| Magnet Material/Mass | Ceramic/1.23 | kg |
| Thiele-Small parameters | |||
| Resonance frequency | Fs | 61 | Hz |
| DC resistance | Re | 5.3 | ohm |
| Mechanical factor | Qms | 11.8 | |
| Electrical factor | Qes | 0.38 | |
| Total factor | Qts | 0.37 | |
| Mechanical compliance | Cms | 0.19 | mm/N |
|
Mechanical resistance of suspension losses |
Rms | 1.15 | mech-ohm |
| Effective Moving Mass | Mms | 34.9 | gr |
| Half-space efficiency | Eff | 1.95 | % |
| BL Factor | BL | 13.8 | T.m |
| Equivalent Cas air load | Vas | 32.2 | liters |
| Effective piston area | Sd | 0.035 | m2 |
| Max.linear excursion | Xmax | 6 | mm |
| Voice-coil inductance | LelK | 0.95 | mH |
| Mounting Information | ||
| Overall Diameter | 261 | mm |
| Bolt Circle Diameter | 246 | mm |
| Bolt Hole Diameter | 5.5 | mm |
| Baffle Cutout Diameter | 231 | mm |
| Overall Depth | 113 | mm |
| Net Weight | 3.6 | kg |
Guangzhou Hipower Audio Co., Ltd. is located in GuangZhou, China. As a head manufacturer of high quality PA speakers, our 10000sqm factory is outfitted with 6 customized production lines, allowing us to meet the needs of OEM partners. 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 founded, we have established a high standard of quality. Our management, manufacturing and quality standards are guaranteed by the ISO9001:2000 system in 2008.