Beta 12 Specifications

Thiele-Small Parameters
Resonant Fequency (fs)	50 Hz
Impedance (Re)	7.07 ohms
Coil Inductance (le)	0.84mH
Electromagnetic Q (Qes)	0.57
Mechanical Q (Qms)	5.82
Total Q (Qts)	0.52
Compliance Eqiv. Volume	114.7 liters
Peak Diaphragm Displacement Vol. (Vd)	42cc
Mechanical Compliance of Suspension (Cms)	0.29mm/N
BL Product (BL)	11.6 T-M
Diaphragm Mass incl. Airload (Mms)	35 grams
Equivalent Resistance of Mech. Suspension Loss (Rms)	1.88 sec/M
Efficiency Bandwidth Product (EBP)	88
Voice Coil Overhang (Xmax)	0.8mm
Surface Area of Cone (Sd)	532.4cm2
Impedance at Resonance (Zmax)	79 ohms

Back to the Beta Speaker Page