| Model | PD21W300A |
| Nominal Basket Diameter(尺寸) | 568 mm |
| Voice Coil Diameter(音圈直径) | 152 mm |
| Nominal lmpedance(阻 抗) | 8 Ω |
| Sensitivity(灵敏度) | 95 dB |
| Usable Frequency Range(频带范围) | 36.2Hz-2KHz |
| Rated Power(额定功率) | 2500W |
| MAX Power(最大功率) | 5000W |
| Resonant Frequency(fs) | 36.2Hz |
| Mechanical Q(Qms) | 7.96 |
| Electromagnetic Q(Qes) | 0.504 |
| Total Q (Qts) | 0.474 |
| Efficiency | 2.28% |
安装尺寸
| installation size (安装尺寸) | |
| Overall Diameter(外径直径) | 568 mm |
| Mounting HolesB.C.D(螺丝孔对角) | 550 mm |
| Baffle Hole Diameter(音箱开孔直径) | 552 mm |
| The Full height(全高) | 160 mm |
| Edge thickness(边厚度) | 16 mm |
| Net Weight(净重) | Kg |

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