Electrical Data
Nominal impedance	Zn	8	ohm
Minimum impedance	Zmin	6.3	ohm
Maximum impedance	Zo	53.2	ohm
DC resistance	Re	5.6	ohm
Voice coil inductance	Le	3.3	mH
Capacitor in series with x ohm	Cc	--	uF

T-S Parameters
Resonance Frequency	fs	33.3	Hz
Mechanical Q factor	Qms	4.85
Electrical Q factor	Qes	0.57
Total Q factor	Qts	0.51
Force factor	Bl	10.2	Tm
Mechanical resistance	Rms	2.2	Kg/s
Moving mass	Mms	51.1	g
Suspension compliance	Cms	0.45	mm/N
Effective cone diameter	D	20.7	cm
Effective piston area	Sd	335	cm2
Equivalent volume	Vas	69.3	ltrs
Sensitivity (2.83V/1m)		88.7	dB
Ratio BL/√(Re)		4.3
Ratio fs/Qts	F	65

Power handling
100h RMS noise test (IEC)	--	W
Long-term Max Power (IEC 18.3)	--	W
Max linear SPL (rms) @ power	--	dB/W
Short Term Max power (IEC 18.2)	--	W

Voice Coil and Magnet Parameters
Voice coil diameter	39	mm
Voice coil height	24	mm
Voice coil layers	4
Height of the gap	8	mm
Linear excursion +/-	8	mm
Max mech. excursion +/-	--	mm
Flux density of gap	--	mWb
Total useful flux	1.3	mWb
Diameter of magnet	115	mm
Height of magnet	22	mm
Weight of magnet	0.87	Kg

Notes:
IEC specs refer to IEC 60268-5 third edition
All Tymphany products are RoHS compliant