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


Specifications
BrandCelestion
ModelTF1525
Nominal Impedance(Ohms)8 ohms
Power Handling(RMS)300 Watts
Power Handling Peak (Wtts)600 Watts
Usable Frequency Range(Hz)40 to 3,000 Hz
Sensitivity(dB)98 dB 2.83V/1m
Magnet Weight(oz)42 oz.
Sheilded MagnetMagnet
Voice Coil Diameter2.5"
Coil FormerKaptonĀ® / Polyimide
Winding MaterialCopper
MAGNET COMPOSITIONFerrite
Basket MaterialSteel
Cone CompositionPaper / Kevlar
Surround CompositionCloth
Net Weight(lbs)24.5
Parameters
Resonant Frequency(Fs)47 Hz
DC Resistance(Re)5.21 ohms
Coil Inductance(Le)0.82 mH
Mechanical Q(QMS)5.9
Electromagnetic Q(Qes)0.66
Total Q(Qts)0.59
Compliance Equiv Vol (Vas)5.38 ft3
Mechanical Compliance(cm2)0.15 mm/N
BL Product(Bl)13.5 Tm
Moving Mass(MMs)78.2g
Max Linear Excursion(Xmax)2.5 mm
Sealed Enclosure5.83 ft3
Mounting and Shipping Information
Overall Diameter15.16"
Nominal Diameter15"
Baffle Hole Diameter13.82"
Depth6.02"
No of Mounting Holes8
Recommended Cabinet Size
Sealed F364 Hz
Vented Volume12.07 ft3
Vented F333 Hz