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Key Features
| MODEL | TYPE | ||
| W157538 | WOOFER | ||
| GENERAL SPECIFICATIONS | |||
| Nominal Diameter | 380/15 | mm/inch | |
| Rated impedance | 8 | ohm | |
| Power handing capacity | 400 | watts | |
| Sensitivity | 97 | dB/1w/1m | |
| Frequency Range | Fs-3500 | Hz | |
| Voice Coil Diameter | 75/3 | mm/inch | |
| Voice Coil Material | Copper | ||
| Number of layer | 2 | ||
| Kind of layer | outside/inside | ||
| THIELE-SMALL PARAMETERS | |||
| Resonance frequency | Fs | 45 | Hz |
| Dc resistance | Re | 5.8 | ohm |
| Mechanical factor | Qms | 3.79 | |
| Electrical factor | Qes | 0.55 | |
| Total factor | Qts | 0.48 | |
| BL factor | BL | 16.1 | T.M |
| Effective Moving mass | Mms | 87.4 | g |
| Effective Cas air load | Vas | 145 | liters |
| Effective piston area | Sd | 0.087 | m^2 |
| MOUNTING INFORMATION | |||
| Overall Diameter | Φ394/Φ15.5 | mm/inch | |
| Bolt Circle Diameter | Φ376/Φ14.8 | mm/inch | |
| Bolt Hole Diameter | 8-Φ6.3/8-Φ0.25 | mm/inch | |
| Mount Baffle Cut-out | 356/14.0 | mm/inch | |
| Depth | 158/6.2 | mm/inch | |
| SHIPPING INFORMATION | |||
| Net Weight | 7.5 | kg | |
| Shipping Weight | 9 | kg | |
| Package Size | 425X410X205/1PCS | mm | |
