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Key Features
| MODEL | W1812552 | ||
| TYPE | SUB-WOOFER | ||
| Nominal Diameter | 465/18 | mm/inch | |
| Rated impedance | 8 | ohm | |
| Power handing capacity | 1000 | watts | |
| Sensitivity(1w/1m) | 94 | dB | |
| Frequency Range | Fs-1500 | Hz | |
| Voice Coil Diameter | 125/5 | mm/inch | |
| Voice Coil Material | Copper | ||
| Number of layer | 2 | ||
| Kind of layer | inside/outside | ||
| Resonance frequency | Fs | 37 | Hz |
| Dc resistance | Re | 5.5 | ohm |
| Mechanical factor | Qms | 9.93 | |
| Electrical factor | Qes | 0.57 | |
| Total factor | Qts | 0.54 | |
| BL factor | BL | 26.4 | T.M |
| Effective Moving mass | Mms | 303.7 | g |
| Effective Cas air load | Vas | 125.2 | liters |
| Effective piston area | Sd | 0.1238 | m^2 |
| Overall Diameter | Φ464/Φ18.27 | mm/inch | |
| Bolt Circle Diameter | Φ440/Φ17.32 | mm/inch | |
| Bolt Hole Diameter | 8-7*8/8-0.28*0.31 | mm/inch | |
| Mount Baffle Cut-out | Φ417/Φ16.42 | mm/inch | |
| Depth | 191/7.52 | mm/inch | |
| Net Weight ( 1 unit) | 20.2 | kg | |
| Shipping Weight ( 1 unit) | 22.7 | kg | |
| Package Size ( 1 unit) | 495X485X276 | mm |
