If you have any needs of this speaker, please email me.
1. Professional loudspeaker
2. Woofer which is ideal for compact 2 or 3-way systems
3. the woofer is of Good price and quality
4. woofer of Hight BL for dynamic voicing
5. other sizes are available upon requests
6.Details:
| General Specifications | ||
| Nominal Diameter | 300/12 | mm/inch |
| Rated Impedance | 8 | ohm |
| Nominal Power handling1 | 350 | Watts |
| Program Power2 | 700 | Watts |
| Sensitivity(lw/lm)3 | 96 | dB |
| Frequency Range4 | 47-2.7k | Hz |
| Minimum Impedance(Zmin) | 6.4 | ohm |
| Voice Coil Diameter | 75/3 | mm/inch |
| Voice Coil Material | Copper | |
| Voice Coil Winding Depth | 19 | mm |
| Number of layers | 2 | |
| Magnet gap depth | 10 | mm |
| Cone Shape | Straight | |
| Surround Shape | M-roll | |
| Basket | Cast Aluminum | |
| Flux Density | 1.0 | T |
| Magnet Material/Mass | Ceramic/2.0 | kg |
| Thiele-Small parameters | |||
| Resonance frequency | Fs | 47 | Hz |
| DC resistance | Re | 5.2 | ohm |
| Mechanical factor | Qms | 11.3 | |
| Electrical factor | Qes | 0.28 | |
| Total factor | Qts | 0.28 | |
| Mechanical compliance | Cms | 0.16 | mm/N |
|
Mechanical resistance of suspension losses |
Rms | 1.8 | mech-ohm |
| Effective Moving Mass | Mms | 69 | gr |
| Half-space efficiency | Eff | 2.5 | % |
| BL Factor | BL | 19.5 | T.m |
| Equivalent Cas air load | Vas | 68 | liters |
| Effective piston area | Sd | 0.0547 | m2 |
| Max.linear excursion | Xmax | 7 | mm |
| Voice-coil inductance | LelK | 1.5 | mH |
| Mounting Information | ||
| Overall Diameter | 319.5 | mm |
| Bolt Circle Diameter | 294.5 | mm |
| Bolt Hole Diameter | 6.5 | mm |
| Baffle Cutout Diameter | 280 | mm |
| Overall Depth | 127.5 | mm |
| Net Weight | 6.6 | kg |
Guangzhou Hipower Audio Co., Ltd. is located in GuangZhou, China. As a head manufacturer of high quality professional lspeakers, 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.