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Key Features
| MODEL | TYPE | ||
| W1210018B | WOOFER | ||
| GENERAL SPECIFICATIONS | |||
| Nominal Diameter | 300/12 | mm/inch | |
| Rated impedance | 8 | ohm | |
| Power handing capacity | 500 | watts | |
| Sensitivity | 95 | dB/1w/1m | |
| Frequency Range | Fs-2000 | Hz | |
| Voice Coil Diameter | 100/4.0 | mm/inch | |
| Voice Coil Material | Copper | ||
| Number of layer | 2 | ||
| Kind of layer | Outside/inside | ||
| THIELE-SMALL PARAMETERS | |||
| Resonance frequency | Fs | 47 | Hz |
| Dc resistance | Re | 5.3 | ohm |
| Mechanical factor | Qms | 8.95 | |
| Electrical factor | Qes | 0.29 | |
| Total factor | Qts | 0.28 | |
| BL factor | BL | 23.1 | T.M |
| Effective Moving mass | Mms | 97 | g |
| Effective Cas air load | Vas | 49 | liters |
| Effective piston area | Sd | 0.055 | m^2 |
| MOUNTING INFORMATION | |||
| Overall Diameter | Φ320/Φ12.6 | mm/inch | |
| Bolt Circle Diameter | Φ300/Φ12 | mm/inch | |
| Bolt Hole Diameter | 8-Φ6.5*10/8-Φ0.26*0.39 | mm/inch | |
| Mount Baffle Cut-out | 290/11.5 | mm/inch | |
| Depth | 147/5.8 | mm/inch | |
| SHIPPING INFORMATION | |||
| Net Weight (1units) | 11 | kg | |
| Shipping Weight (1 units) | 12 | kg | |
| Package Size (1 units) | 335*335*170 | mm | |
