Definimax 4018LF Specifications

Thiele-Small Parameters
Resonant Fequency (fs)	32 Hz
Impedance (Re)	6.19 ohms
Coil Inductance (le)	4.78mH
Electromagnetic Q (Qes)	0.36
Mechanical Q (Qms)	10.38
Total Q (Qts)	0.35
Compliance Eqiv. Volume	237.9 liters
Peak Diaphragm Displacement Vol. (Vd)	939cc
Mechanical Compliance of Suspension (Cms)	0.12mm/N
BL Product (BL)	27.0 T-M
Diaphragm Mass incl. Airload (Mms)	211 grams
Equivalent Resistance of Mech. Suspension Loss (Rms)	NA
Efficiency Bandwidth Product (EBP)	89
Voice Coil Overhang (Xmax)	7.9mm
Surface Area of Cone (Sd)	1188cm2
Impedance at Resonance (Zmax)	NA

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