Description
This item is brand-new, factory sealed.
*Continuous power rating: 3600W *Sensitivity: 97dB *Voice coil diameter: 4.5-in *Nominal diameter: 530mm / 21-in *Power rating: 1800W *Continuous power rating: 3600W *Rated impedance: 4-ohms, 8-ohms *Sensitivity: 97dB *Frequency range: 30-1,000Hz *Chassis type: Cast aluminium *Magnet type: Neodymium *Voice coil diameter: 115mm / 4.5-in *Voice coil material: Round copper *Former material: Glass fibre *Cone material: Glass loaded cellulose, water-resistant coating front & back *Surround material: Triple roll, cloth sealed *Suspension: Dual, polysiloxane-laminated *Gap height (Hg): 12mm / 0.46-in *VC winding height (Hvc): 36mm / 1.42-inParameters *Sd: 1661.9cm squared / 257.9-in squared *Fs: 30Hz *Mms: 435.2g / 15.35oz *Qms: 8.393 *Qes: 0.359 *Qts: 0.344 *Re: 5.0-ohms *Vas: 253.8l / 8.96ft cubed *BI: 33.8Tm *Cms: 0.065mm/N *Rms: 9.77kg/s *Le (at 1kHz): 3.91mH *Xmax: 15mm / 0.59-in *Xmech: 80mm / 1.57-in *Efficiency η 0 : 1.9%Mounting Information *Overall diameter: 541mm / 21.3-in *Overall depth: 250mm / 9.84-in *Cut-out diameter: 505mm / 19.88-in *Mounting hole dimensions: 8.5x10mm / 0.33×0.39-in *Number of mounting holes: 8 *Mounting hole PCD: 525-528mm / 20.61-20.79-in *Flange & gasket thickness: 17mm / 0.67-in *Unit weight: 13.8kg / 30.4lbPacked Dimensions & Weight *Single pack size W x D x H: 575mm x 575mm x 280mm / 22.6-in x 22.6-in x 11-in *Single pack weight: 14.5kg / 32lbFrequency response and impedanceForce factor (Bl) symmetryStiffness (K) symmetryWatch *Celestions Ten Squared Low Frequency Pro-Audio Driver Range and Our New UK Robotic Production Line *Ten Squared by Celestion: A New Range of High Performance, Low Frequency Loudspeakers [Each]
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