Eminence Delta 15 Speaker Specifications

Thiele-Small Parameters
Resonant Fequency (fs)	40 Hz
Impedance (Re)	6.9 ohms
Coil Inductance (le)	0.86 mH
Electromagnetic Q (Qes)	0.54
Mechanical Q (Qms)	6.56
Total Q (Qts)	0.49
Compliance Eqiv. Volume	293 liters
Peak Diaphragm Displacement Vol. (Vd)	231cc
Mechanical Compliance of Suspension (Cms)	0.28mm/N
BL Product (BL)	13.6 T-M
Diaphragm Mass incl. Airload (Mms)	55 grams
Equivalent Resistance of Mech. Suspension Loss (Rms)	2.12sec/M
Efficiency Bandwidth Product (EBP)	77
Voice Coil Overhang (Xmax)	2.7mm
Surface Area of Cone (Sd)	856.3cm2
Impedance at Resonance (Zmax)	52 ohms

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