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15 in. Challenger Series Woofer

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Product Description:

Thiele-Small Parameters
Resonant Fequency (fs)	42.9 Hz
Impedance (Re)	5.4 ohms
Coil Inductance (le)	1.79
Electromagnetic Q (Qes)	0.33
Mechanical Q (Qms)	5.45
Total Q (Qts)	0.31
Compliance Eqiv. Volume	169 liters
Peak Diaphragm Displacement Vol. (Vd)	N/A
Mechanical Compliance of Suspension (Cms)	153.74 uM/N
BL Product (BL)	19.74 T-M
Diaphragm Mass incl. Airload (Mms)	89.31 grams
Equivalent Resistance of Mech. Suspension Loss (Rms)	N/A
Efficiency Bandwidth Product (EBP)	130
Voice Coil Overhang (Xmax)	5mm
Surface Area of Cone (Sd)	880cm2
Impedance at Resonance (Zmax)	N/A