China 21" Professional 21 Inch Speaker Neodymium Subwoofer Speaker Professional Audio, Find details about China DJ Speakers, Sound Bar from 21" Professional 21 Inch Speaker Neodymium Subwoofer Speaker Professional Audio
Features:
Specifications:
Nominal diameter | 21 inch |
Nominal impedance | 8 Ω |
Power rating | 1000 W |
Sensitivity (1w/1m) | 100 dB |
Frequency range | 22-900Hz |
Voice coil diameter | Φ125 mm |
Basket | Die Cast Aluminium |
Cone and dust cap | Paper |
Surround | Cloth |
Voice coil wire | In/Out Copper |
Voice coil former | Glassfiber |
Winding depth | 40mm |
Magnet | Neodymium |
Thiele-Small Parameters | |
Fs | 22 Hz |
Re (D.C.) | 5.2Ω |
Qms | 19.10 |
Qes | 0.59 |
Qts | 0.57 |
Vas | 208.5 L |
Cms | 0.05 u M/N |
Bl | 27.9 T |
Xmax | 26mm |
Mounting information | |
Overall diameter | 548mm |
Bolt Circle Diameter | 525mm |
Baffle Cutout Diameter--Front Mount | 505mm |
Overall Depth | 275mm |
Net weight | 14.1kg |