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Nominal impedance
Power rating
Sensitivity(1w/1m)
Frequency range
Key Features
18",ferrite magnet,die cast aluminium basket subwoofer
97dB sensitivity in 1w/1m,800W power handing
99.3mm(4 inch),copper voice coil wire inside and outside rounding and glass fiber voice coil bobbin,can endure high temperature
Great high quality sound and very powerful dynamism
Optimal for compact subwoofers
Specifications
| Nominal diameter | 18 | inch |
| Nominal impedance | 8 | Ω |
| Power rating | 800 | W |
| Sensitivity(1w/1m) | 97 | dB |
| Frequency range | 41-2000 | Hz |
| Voice coil diameter | 99.3 | mm |
| Magnet dimension | 220 | mm |
| Fs | 41 | Hz |
| Re(D.C.) | 5.2 | Ω |
| Qms | 4.82 |
|
| Qes | 0.4 |
|
| Qts | 0.37 |
|
| Vas | 186 | Ltr |
| Cms | 86.5 | uM/N |
| n.(%) | 3.24 | % |
| BL | 24 | T |
| Sd | 121.3 | CM² |
| Basket | Cast Aluminium |
|
| Cone and dust cap | Glass loaded paper with weather resistant impregnation |
|
| Surround | Cloth-sealed |
|
| Voice coil wire | Round Copper |
|
| Voice coil bobbin | Class Fiber |
|
| Magnet material | Ferrite |
|
| Overall diameter | 459.5 | mm |
| Bolt circle diameter | 440 | mm |
| Cut out diameter | 425 | mm |
| Depth | 221 | mm |
| Net weight | 14 | Kg |
| X max | ±4.3 | mm |
| Throat diameter | / | inch |