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4.suitable for band-pass, bass reflex subwoofer
5. 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.
6.Details:
| General Specifications :Subwoofer | ||
| Nominal Diameter | 380/45 | mm/inch |
| Rated Impedance | 8 | ohm |
| Nominal Power handling1 | 550 | Watts |
| Program Power2 | 1100 | Watts |
| Sensitivity(lw/lm)3 | 97 | dB |
| Frequency Range4 | 41-1.5K | Hz |
| Minimum Impedance(Zmin) | 7.9 | ohm |
| Voice Coil Diameter | 100/4 | mm/inch |
| Voice Coil Material | Copper | |
| Voice Coil Winding Depth | 21 | mm |
| Number of layers | 2 | |
| Magnet gap depth | 12 | mm |
| Cone Shape | Straight | |
| Surround Shape | Triple-roll | |
| Basket | CastAluminum | |
| Flux Density | 1.0 | T |
| Magnet Material/Mass | Ceramic/3.55 | kg |
| Thiele-Small parameters | |||
| Resonance frequency | Fs | 41 | Hz |
| DC resistance | Re | 6.4 | ohm |
| Mechanical factor | Qms | 2.95 | |
| Electrical factor | Qes | 0.36 | |
| Total factor | Qts | 0.32 | |
| Mechanical compliance | Cms | 0.10 | mm/N |
| Mechanical resistanceof suspension losses | Rms | 12.8 | mech-ohm |
| Effective Moving Mass | Mms | 144 | gr |
| Half-space efficiency | Eff | 2.2 | % |
| BL Factor | BL | 26 | T.m |
| Equivalent Cas air load | Vas | 117 | liters |
| Effective piston area | Sd | 0.0908 | m2 |
| Max.linear excursion | Xmax | 8 | mm |
| Voice-coil inductance | LelK | 1.67 | mH |
| Mounting Information | ||
| Overall Diameter | 388 | mm |
| Bolt Circle Diameter | 370 | mm |
| Bolt Hole Diameter | 6.5 | mm |
| Baffle Cutout Diameter | 358 | mm |
| Overall Depth | 153 | mm |
| Net Weight | 11 | kg |
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L15/8512F-professional Subwoofer