Celestion

Pair Celestion TF1525 15" Professional Speaker 8 ohms 600W 98 dB 2.5" Coil 15" bass and mid-range driver providing 98dB sensitivity and 250Wrms (AES standard) power handling 2.5" high temperature copper voice coil wound on polyimide for increased reliability Ideal for 2-way and 3-way systems Kevlar-loaded cone with sealed surround and damping for reduced distortion Rigid chassis design for maximum energy transfer Vented magnet assembly for enhanced cooling SpecificationsBrandCelestionModelTF1525Nominal Impedance(Ohms)8 ohmsPower Handling(RMS)300 WattsPower Handling Peak (Wtts)600 WattsUsable Frequency Range(Hz)40 to 3,000 HzSensitivity(dB)98 dB 2.83V/1mMagnet Weight(oz)42 oz.Sheilded MagnetMagnetVoice Coil Diameter2.5"Coil FormerKapton® / PolyimideWinding MaterialCopperMAGNET COMPOSITIONFerriteBasket MaterialSteelCone CompositionPaper / KevlarSurround CompositionClothNet Weight(lbs)24.5ParametersResonant Frequency(Fs)47 HzDC Resistance(Re)5.21 ohmsCoil Inductance(Le)0.82 mHMechanical Q(QMS)5.9Electromagnetic Q(Qes)0.66Total Q(Qts)0.59Compliance Equiv Vol (Vas)5.38 ft3Mechanical Compliance(cm2)0.15 mm/NBL Product(Bl)13.5 TmMoving Mass(MMs)78.2gMax Linear Excursion(Xmax)2.5 mmSealed Enclosure5.83 ft3Mounting and Shipping InformationOverall Diameter15.16"Nominal Diameter15"Baffle Hole Diameter13.82"Depth6.02"No of Mounting Holes8Recommended Cabinet SizeSealed F364 HzVented Volume12.07 ft3Vented F333 Hz