| SPECIFICATION | ||
|---|---|---|
| Nominal diameter | 21 | mm/inch |
| Rated impedance | 8 | ohm |
| Nominal power | 3800 | W |
| Maximum power | 7600 | W |
| Sensitivity (1w/1m) | 97 | dB |
| Frequency response | 29-500K | Hz |
| Voice coil diameter | 153/6 | mm/inch |
| Voice coil material | Copper | mm |
| Magnet | Ferrite | m/inch |
| Magnet Size | 330*50mm | mm |
| Y35 MAGNET | ||
| Carbon Fibre Cone | ||
| Inside Shorting Circuit Ring Technology |
| T/S PARAMETER | ||
|---|---|---|
| Fs | 29 | Hz |
| Re | 5 | ? |
| Qes | 0.23 | |
| Qts | 0.23 | |
| Qms | 11.2 | |
| Vas | 287.2 | L |
| Cms | 0.07 | mm/N |
| Mms | 403 | gr |
| BL | 40 | N/A |
| Le | 1.6 | mH |
| MOUNTING INFORMATION | ||
|---|---|---|
| Overall diameter | 568 | mm |
| Bolt Circle diameter | 552 | mm |
| Baffle Cutout diameter | 496 | mm |
| Depth | 258 | mm |
| Net weight | 41 | KG |
| Shipping | 62*61*38 | mm |
MODEL : HD21FC330
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