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Key Features
| MODEL | W157556 | ||
| TYPE | MID-BASS | ||
| Nominal Diameter | 380/15 | mm/inch | |
| Rated impedance | 8 | ohm | |
| Power handing capacity | 400 | watts | |
| Sensitivity(1w/1m) | 98 | dB | |
| Frequency Range | Fs-4000 | Hz | |
| Voice Coil Diameter | 75/3 | mm/inch | |
| Voice Coil Material | Copper | ||
| Number of layer | 2 | ||
| Kind of layer | inside/outside | ||
| Resonance frequency | Fs | 41 | Hz |
| Dc resistance | Re | 5.2 | ohm |
| Mechanical factor | Qms | 7.6014 | |
| Electrical factor | Qes | 0.3791 | |
| Total factor | Qts | 0.3611 | |
| BL factor | BL | 21 | T.M |
| Effective Moving mass | Mms | 105.65 | g |
| Effective Cas air load | Vas | 168.7099 | liters |
| Effective piston area | Sd | 0.0946 | m^2 |
| Overall Diameter | Φ387/Φ15.24 | mm/inch | |
| Bolt Circle Diameter | Φ370/Φ14.55 | mm/inch | |
| Bolt Hole Diameter | 8-Φ7.15/8-Φ0.28 | mm/inch | |
| Mount Baffle Cut-out | Φ357/Φ14.06 | mm/inch | |
| Depth | 140/5.52 | mm/inch | |
| Net Weight ( 1 unit) | 4.1 | kg | |
| Shipping Weight ( 1 unit) | 5.7 | kg | |
| Package Size ( 1 unit) | 405*405*214 | mm |
