HDW-1808
详细：
SPECIFICATIONS
| specifications | |
| Nominal Diameter | 460mm(18in) |
| Nominal Impedance | 8Ω |
| Power | 650W |
| Sensitivity | 98dB |
| Frequency Range | 45~1.3KHz |
| Voice Coil Diameter | 100mm |
| Magnet Material | Ferrite |
| thiele＆small parameters | |
| Fs | 45Hz |
| Re | 5.2Ω |
| Qms | 5.17 |
| Qes | 0.42 |
| Qts | 0.39 |
| Vas | 195L |
| η | 4.05% |
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