Electrical Data
Nominal impedance	Zn	8	ohm
Minimum impedance	Zmin	--	ohm
Maximum impedance	Zo	85	ohm
DC resistance	Re	5.9	ohm
Voice coil inductance	Le	2.7	mH

T-S Parameters
Resonance Frequency	fs	27	Hz
Mechanical Q factor	Qms	5.65
Electrical Q factor	Qes	0.37
Total Q factor	Qts	0.34
Force factor	Bl	10.9	Tm
Mechanical resistance	Rms	1.39	Kg/s
Moving mass	Mms	43	g
Suspension compliance	Cms	--	mm/N
Effective cone diameter	D	--	cm
Effective piston area	Sd	224	cm2
Equivalent volume	Vas	56	ltrs
Sensitivity (2.83V/1m)		85.5	dB
Ratio BL/√(Re)		--
Ratio fs/Qts	F	--

Power handling
100h RMS noise test (IEC)	--	W
Long-term Max Power (IEC 18.3)	350	W
Max linear SPL (rms) @ power	--	dB/W
Short Term Max power (IEC 18.2)	600	W

Voice Coil and Magnet Parameters
Voice coil diameter	50	mm
Voice coil height	16	mm
Voice coil layers	--
Height of the gap	8	mm
Linear excursion +/-	--	mm
Max mech. excursion +/-	--	mm
Flux density of gap	--	mWb
Total useful flux	--	mWb
Diameter of magnet	--	mm
Height of magnet	--	mm
Weight of magnet	1.05	Kg

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

Drawing Dimensions
Outside Diameter	OD	--	mm
Flange Thickness	FT	--	mm
Magnet Diameter	MD	--	mm
Cutout Diameter	CD	--	mm
Interior Depth	ID	92.8	mm
Hole Diameter	HD	--	mm
Screw Circle Diameter	SD	--	mm