21 inch 8 ohm 5000 watts woofer speaker LF driver loudspeaker
| Specification | Design | |
| Nominal Diameter:21 inch | Surround Shape:Triple Roll | |
| Nominal Impedance: 8 ohm | Cone Shape:Radial | |
| Minimum Impedance: 7.9 ohm | Magnet Type:Neodymium Inside | |
| Continuous Power Handling: 5000 W | Spider:Big roll | |
| Nominal Power Handling(A.E.S.): 2500 W | Pole Design:T-pole | |
| Sensitivity(1W/1m):96 dB | Recommended Enclosure Vol:dm3( ft3) | |
| Frequency Range: 35Hz - 1500Hz | Recommended Tuning Frq:35 Hz | |
| Voi:ce Coil Diameter: 152.4mm (6 in) | Parameters | |
| Winding Material:Copper | Fs :34 Hz | |
| Former Material:Glass Fibre | Re:5.3 ohm | |
| Magnet Material:Neodymium | Qes:0.4 | |
| Winding Depth:37 mm (1.46 in) | Qms:4.95 | |
| Magnetic Gap Depth:15 mm (0.6 in) | Qts:0.36 | |
| Flux Density :1.4 Tesla | Vas:244 dm3( ft3) | |
| Mounting &Shipping | Sd:1691 cm2 ( in2) | |
| Overall Diameter :548 mm (21.6 in) | EtaZero:2.30% | |
| Bolt Circle Diameter :522.4 mm (20.57 in) | Xmax:+-16mm | |
| Baffle Cutout Diameter :496 mm (19.53 in) | Xvar:+-18.5 mm | |
| Depth:288 mm (11.34 in) | Mms: 373 g | |
| Flange Gasket Thickness:19.5 mm (0.77 in) | Bl:33 TxM | |
| Air volume Occupied by driver:33.6 dm3( ft3) | Le:2.3 Mh | |
| Net Weight:15.9 kg( 35.1 lb) | EBP:95 | |
| Shipping Weight:19.2kg( 42.33 lb) | ||
| Shipping Box:600*600*310mm (23.6x23.6x12.2 in) | ||