Electrical Data
Nominal impedance	Zn	4	ohm
Minimum impedance	Zmin	--	ohm
Maximum impedance	Zo	--	ohm
DC resistance	Re	3.5	ohm
Voice coil inductance	Le	0.02	mH

T-S Parameters
Resonance Frequency	fs	750	Hz
Mechanical Q factor	Qms	--
Electrical Q factor	Qes	--
Total Q factor	Qts	--
Force factor	Bl	2.7	Tm
Mechanical resistance	Rms	--	Kg/s
Moving mass	Mms	0.4	g
Suspension compliance	Cms	--	mm/N
Effective cone diameter	D	--	cm
Effective piston area	Sd	8	cm2
Equivalent volume	Vas	--	ltrs
Sensitivity (2.83V/1m)		90	dB

Power handling
100h RMS noise test (IEC)	150	W
Long-term Max Power (IEC 18.3)	--	W
Short Term Max power (IEC 18.2)	--	W

Voice Coil and Magnet Parameters
Voice coil diameter	28	mm
Voice coil height	--	mm
Voice coil layers	--
Height of the gap	--	mm
Linear excursion +/-	0.25	mm
Max mech. excursion +/-	1.3	mm
Flux density of gap	--	mWb
Total useful flux	--	mWb
Diameter of magnet	--	mm
Height of magnet	--	mm
Weight of magnet	0.13	Kg

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

Drawing Dimensions
Outside Diameter	OD	59.5	mm
Flange Thickness	FT	--	mm
Magnet Diameter	MD	40.8	mm
Cutout Diameter	CD	--	mm
Interior Depth	ID	28.7	mm
Hole Diameter	HD	3.5	mm
Screw Circle Diameter	SD	52	mm