Celestion : T5970: 15″ 400W Bass Speaker 8O

With a longer voice coil for increased throw and a multi-roll surround thatprovides exceptional linearity and superb bass extension the 400-watt PULSE 15 isimpeccably-designed sonic artillery. Featuring a Kevlar-loaded cone and rigid steelchassis designed for maximum energy transfer this robust and reliable speaker truly is a powerhouse of deep bass tone.SPECIFICATIONS:Nominal diameter 15″ 381mmPower rating 400WNominal impedance 8OSensitivity 96dBMagnet type FerriteVoice coil diameter 3″ 76.2mmCoil material CopperCone material Kevlar loaded paperFormer material PolyimideSurround material Cloth-sealedFrequency range 40-3500HzXmax 0.18″ 4.75mmGap depth 0.31″ 8mmVoice coil winding width 0.68″ 17.5mm