Beta 15 Specifications

Thiele-Small Parameters
Resonant Fequency (fs)	35 Hz
Impedance (Re)	6.32 ohms
Coil Inductance (le)	01.10mH
Electromagnetic Q (Qes)	0.63
Mechanical Q (Qms)	8.10
Total Q (Qts)	0.58
Compliance Eqiv. Volume	334.6 liters
Peak Diaphragm Displacement Vol. (Vd)	327cc
Mechanical Compliance of Suspension (Cms)	0.35mm/N
BL Product (BL)	11.5 T-M
Diaphragm Mass incl. Airload (Mms)	60 grams
Equivalent Resistance of Mech. Suspension Loss (Rms)	1.61 sec/M
Efficiency Bandwidth Product (EBP)	55
Voice Coil Overhang (Xmax)	4.0mm
Surface Area of Cone (Sd)	823.7cm2
Impedance at Resonance (Zmax)	88 ohms

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