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Definimax 4012HO SpecificationsDefinimax 4012HO Specifications

Thiele-Small Parameters
Resonant Fequency (fs) 46 Hz
Impedance (Re) 5.85 ohms
Coil Inductance (le) 1.17mH
Electromagnetic Q (Qes) 0.38
Mechanical Q (Qms) 5.74
Total Q (Qts) 0.35
Compliance Eqiv. Volume 2.1 liters
Peak Diaphragm Displacement Vol. (Vd) 342cc
Mechanical Compliance of Suspension (Cms) 0.14mm/N
BL Product (BL) 19.6 T-M
Diaphragm Mass incl. Airload (Mms) 86 grams
Equivalent Resistance of Mech. Suspension Loss (Rms) NA
Efficiency Bandwidth Product (EBP) 121
Voice Coil Overhang (Xmax) 6.2mm
Surface Area of Cone (Sd) 552cm2
Impedance at Resonance (Zmax) NA

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