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Your cart is empty.The Celestion Pulse XL 12.20 is a 12-inch steel-chassis bass guitar speaker that delivers rock-solid performance with truckloads of rich, warm low end. This speaker is extremely responsive, ensuring that every note you play cuts through with amazing clarity. The bassists here at Sweetwater have found that the Pulse XL 12.20's hard felt dust cap smooths out excessive cone distortion, helping the speaker supply an incredibly articulate treble response. You also get a multi-roll surround that allows for generous cone excursion when things get loud. Finally, a heat-resistant polyimide former supplies outstanding power handling, certifying that the Pulse XL 12.20 is sturdy enough to tackle any job you throw at it. Whether you deploy it in singles, pairs, or in a 4 x 12 configuration, the Celestion Pulse XL 12.20 was designed for bassists who want to stand up, crank it up, and roar. Features || 12-inch steel-chassis bass guitar speaker || Delivers rock-solid performance with truckloads of rich, warm low end || 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 || SPECIFICATIONS || Nominal diameter : 305mm / 12in || Power rating : 500W || Rated impedance : 8Ω || Sensitivity : 94dB || Magnet type : Ferrite || Voice coil diameter : 2in / 50mm || Voice coil material : Copper || Former material : Polyimide || Cone material : Cellulose || Surround material : Triple roll, cloth sealed || Frequency range : 35-2200Hz || Gap height (Hg) : 8mm / 0.31in || VC winding height (Hvc) : 20.5mm / 0.8in || PARAMETERS || Sd : 530.9cm2 / 82.29in2 || Fs : 35.1Hz || Mms : 53.55g / 1.88oz || Qms : 6.087 || Qes : 0.548 || Qts : 0.503 || Re : 5.8Ω || Vas : 153.3l / 5.4ft3 || BI : 11.21Tm || Cms : 0.384mm/N || Rms : 1.939kg/s || Le (at 1kHz) : 0.31mH || Xmax : 8.25mm / 0.32" || MOUNTING INFORMATION || Cut-out diameter : 281.4mm / 11.08in || Diameter : 311.4mm / 12.26in || Mounting hole dimensions : 6.4mm / 0.25in Ø || Mounting hole PCD : 297.5mm / 11.7in || Number of mounting holes : 8 || Chassis depth (inc gasket) : 91mm / 10.74in || Magnet depth : 36mm / 1.42in || Overall depth : 135mm / 5.3in || Unit weight : 4.1kg / 9lb ||