Beta 12CX Specifications

Thiele-Small Parameters
Resonant Fequency (fs)	43 Hz
Impedance (Re)	5.57 ohms
Coil Inductance (le)	1.01mH
Electromagnetic Q (Qes)	0.51
Mechanical Q (Qms)	6.69
Total Q (Qts)	0.48
Compliance Eqiv. Volume	161 liters
Peak Diaphragm Displacement Vol. (Vd)	161cc
Mechanical Compliance of Suspension (Cms)	0.40mm/N
BL Product (BL)	10.0 T-M
Diaphragm Mass incl. Airload (Mms)	34 grams
Equivalent Resistance of Mech. Suspension Loss (Rms)	1.38 sec/M
Efficiency Bandwidth Product (EBP)	83
Voice Coil Overhang (Xmax)	3.0mm
Surface Area of Cone (Sd)	532.4cm2
Impedance at Resonance (Zmax)	78 ohms

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