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Definimax 4015LF SpecificationsDefinimax 4015LF Specifications

Thiele-Small Parameters
Resonant Fequency (fs) 42 Hz
Impedance (Re) 5.04 ohms
Coil Inductance (le) 1.49mH
Electromagnetic Q (Qes) 0.54
Mechanical Q (Qms) 6.73
Total Q (Qts) 0.50
Compliance Eqiv. Volume 115.5 liters
Peak Diaphragm Displacement Vol. (Vd) 786cc
Mechanical Compliance of Suspension (Cms) 0.11mm/N
BL Product (BL) 18.4 T-M
Diaphragm Mass incl. Airload (Mms) 139 grams
Equivalent Resistance of Mech. Suspension Loss (Rms) NA
Efficiency Bandwidth Product (EBP) 77
Voice Coil Overhang (Xmax) 9.0mm
Surface Area of Cone (Sd) 872.9cm2
Impedance at Resonance (Zmax) NA

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