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4. This raw loudspeaker is of low distortion
5. Pa loudspeaker of other sizes are available upon requests
6.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.
7.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 | 97 | dB |
| Frequency Range4 | 42-2.7k | Hz |
| Minimum Impedance(Zmin) | 6.7 | ohm |
| Voice Coil Diameter | 75/3 | mm/inch |
| Voice Coil Material | Copper | |
| Voice Coil Winding Depth | 17 | mm |
| Number of layers | 2 | (inside/outside) |
| Magnet gap depth | 10 | mm |
| Surround Shape | M-roll | |
| Basket | Cast Aluminum | |
| Flux Density | 1.0 | T |
| Magnet Material/Mass | Ceramic | |
| Thiele-Small parameters | |||
| Resonance frequency | Fs | 42 | Hz |
| DC resistance | Re | 5.4 | ohm |
| Mechanical factor | Qms | 13.3 | |
| Electrical factor | Qes | 0.25 | |
| Total factor | Qts | 0.24 | |
| Mechanical compliance | Cms | 0.24 | mm/N |
| Mechanical resistanceof suspension losses | Rms | 1.17 | mech-ohm |
| Effective Moving Mass | Mms | 58.6 | gr |
| Half-space efficiency | Eff | 2.94 | % |
| BL Factor | BL | 18.5 | T.m |
| Equivalent Cas air load | Vas | 99.8 | liters |
| Effective piston area | Sd | 0.0543 | m2 |
| Max.linear excursion | Xmax | 6 | mm |
| Voice-coil inductance | LelK | 1.1 | mH |
| Mounting Information | ||
| Overall Diameter | 318 | mm |
| Bolt Circle Diameter | 301 | mm |
| Bolt Hole Diameter | 6.5x9 | mm |
| Baffle Cutout Diameter | 287 | mm |
| Overall Depth | 142 | mm |
| Net Weight | 7 | kg |
L12/84215-12" loudspeaker with 3" VC,350w