HELIX K 12W SVC2

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		K 12W SVC2 – 1 x 2 Ohms
Power RMS / max.	P	300 / 600 Watt
Impedance	Z	1 x 2 Ω
DC resistance	Re	1 x 2.0 Ω
Resonance frequency	Fs	31 Hz
Mechanical Q factor	Qms	4.03
Electrical Q factor	Qes	0.54
Total Q factor	Qts	0.47
Compliance	Cms	142 μm/N
Equivalent air volume	Vas	53 L
Force factor	BI*	11.9 Tm
Sensitivity 1 W / 1 m	SPL	89.0 dB
Cone area	Sd	515 cm²
Moving mass	Mms	146 g
Cone material		Hand-scooped paper cone
Mechanical resistance	Rms	9.20 kg/s
Voice coil diameter	ø	50.8 mm
Voice coil winding height		24 mm
Max. linear excursion	Xmax	+/- 8.0 mm
Outer diameter	ø	316 mm / 12.44"
Installation diameter	ø	286 mm / 11.26
Installation depth		144 mm / 5.67"

Recommended enclosure volumes
Sealed box
Net volume		22 L
Lower limiting frequency (-3dB)		40 Hz


Vented box
Net volume		40 L
Port diameter	ø	100 mm / 3.94"
Port area		78 cm²
Port length		35 cm / 13.8"
Port tuning frequency	Fb	34 Hz
Lower limiting frequency (-3dB)		37 Hz