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| woofer speaker | A-503 |
| SPECIFICATIONS | |
| Size | 5.25 inch |
| Nominal Diameter | 133 mm |
| RMS Power | 60 W |
| Maximal Power | 120 W-140 W |
| Rated Impedance | 8 Ω |
| Sensitivity | 88 dB |
| Frequency Range | fo-7k Hz |
| Basket Material | aluminium |
| Gasket Material | |
| Surround Material | rubber |
| Magnet Material | ferrite |
| Voice Coil Diameter | 1" (25.5) |
| Former Material | KAPTON |
| Wire | copper |
| Spider Material | conex |
| Terminals Type | gold-plated plug |
| Shorting Ring | |
| Magnet Structure | |
| Highest Recommend Crossover | ≤6k |
| PARAMETERS | |
| Re | 5.3 Ohm |
| F0 | 66 Hz |
| Qms | 3.4 |
| Qes | 0.52 |
| Qts | 0.45 |
| Zmax | 41 Ohm |
| Sd | 0.008659 m2 |
| Mms | 9.34 g |
| Mmd | 8.87 g |
| BL | 6.36 T m |
| Xmax | 3 mm |
| Cms | 592.194u M/N |
| Vas | 6.35 L |
| PACKING | |
| Net Weight | 1.5 Kg |
| Gross Weight | 1.61 Kg |
| Pieces per carton | 16 pcs |
| Volume | 0.040293 m3 |
| Dimensions | 330×330×370(mm) |
| PRODUCT CONFIGURATION SIZE | |
| OD | 134×134/155×155 |
| FT | 4.8 |
| MD | φ100 |
| CD | φ121 |
| ID | 73 |
| HD | φ143-4×M5 |
HI-FI A-503 high quality woofer