CELESTION T6660 Pulse XL 15.25 Bass Guitar 15-inch Driver Steel-Chassis Guitar Speaker 700 Watt 8-Ohm Defined Midrange Smooth treble Response || GENERAL || Brand : CELESTION || Model Number : T6660 | PulseXL15 | PULSE XL 15.25 || UPC : 739894665650 || Plenty of clean, deep bass from this heavy-duty 15-inch driver, along with a defined midrange and the smooth treble response that comes with a felt dust dome. With a solid 700W of power handling, the PULSE XL 15.25 delivers an authoritative performance packed with sweet harmonic overtones. || || SPECIFICATIONS || Nominal diameter : 381mm / 15in || Power rating : 700W || Rated impedance : 8Ω || Sensitivity : 97dB || Magnet type : Ferrite || Voice coil diameter : 2.5in / 63.5mm || Voice coil material : Copper || Former material : Polyimide || Cone material : Cellulose || Surround material : Triple roll, cloth sealed || Frequency range : 35-2100Hz || Gap height (Hg) : 8mm / 0.3in || VC winding height (Hvc) : 20mm / 0.8in || || PARAMETERS || Sd : 855.3cm2 / 132.57in2 || Fs : 33.1Hz || Mms : 85.78g || Qms : 4.232 || Qes : 0.525 || Qts : 0.604 || Re : 6.66Ω || Vas : 213.9l / 7.6ft3 || BI : 13.88Tm || Cms : 0.21mm/N || Rms : 4.22kg/s || Le (at 1kHz) : 1.32mH || Xmax : 8mm / 0.31in || || MOUNTING INFORMATION || Cut-out diameter : 353mm / 13.9in || Diameter : 385mm / 15.15in || Mounting hole dimensions : 6.4mm / 0.25in Ø || Mounting hole PCD : 370mm / 14.5in || Number of mounting holes : 8 || Chassis depth (inc gasket) : 116.3mm || Magnet depth : 13.74in || Overall depth : 168mm / 6.6in || Unit weight : 5.4kg / 12lb || || Celestion Pulse XL 15.25 Bass Speaker Features || 15-inch steel-chassis bass guitar speaker || Churns out clean, deep bass with well-defined mids || Responsive design ensures mix-penetrating clarity || Hard felt dust cap smooths out excessive cone distortion for an articulate treble response || Multi-roll surround allows for generous cone excursion at higher output levels || Heat-resistant polyimide former supplies outstanding power handling