HELIX IK W12 DVC2

Power handling RMS / max.

 P

300 / 600 Watt

Impedance 

Z

2 x 2 Ω

DC resistance 

Re

2 x 1.6 Ω

Resonance frequency 

Fs

32 Hz

Mechanical Q factor 

Qms

3.70

Electrical Q factor 

Qes

0.46

Total Q factor

Qts

0.41

Compliance

Cms

179 μm/N

Equivalent air volume

Vas

66 L

Force factor 

B*I

13.7 Tm

Sensitivity

SPL

93.0 dB @

2.83V / 1m
90.0 dB @

1W / 1m

Cone area 

Sd

515 cm²

Moving mass 

Mms

134 g

Cone material

Hand-scooped paper cone

Mechanical resistance 

Rms

7.33 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

30 L

Port diameter

ø

100 mm / 3.94"

Port area

78 cm²

Port length

28 cm / 9.84"

Port tuning frequency

Fb

39 Hz

Lower limiting frequency (-3dB)

39 Hz