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15 in. Challenger Series Woofer/Mid

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Product Description:

Thiele-Small Parameters
Resonant Fequency (fs)	41 Hz
Impedance (Re)	5.2 ohms
Coil Inductance (le)	1.06
Electromagnetic Q (Qes)	0.35
Mechanical Q (Qms)	4.57
Total Q (Qts)	0.32
Compliance Eqiv. Volume	211 liters
Peak Diaphragm Displacement Vol. (Vd)	N/A
Mechanical Compliance of Suspension (Cms)	180.6 uM/N
BL Product (BL)	17.4 T-M
Diaphragm Mass incl. Airload (Mms)	75.77 grams
Equivalent Resistance of Mech. Suspension Loss (Rms)	N/A
Efficiency Bandwidth Product (EBP)	117
Voice Coil Overhang (Xmax)	3.5mm
Surface Area of Cone (Sd)	830cm2
Impedance at Resonance (Zmax)	N/A