Helix IK S12-DVC2 ( 2x2Ohm )

Power handling RMS / max. P 300 / 600 Watts

Impedance Z 2 x 2 Ω

DC resistance Re 2 x 1.8 Ω

Resonance frequency Fs 36 Hz

Mechanical Q factor Qms 5.41

Electrical Q factor Qes 0.52

Total Q factor Qts 0.48

Compliance Cms 95 μm/N

Equivalent air volume Vas 40 L

Force factor B*I 17.2 Tm

Sensitivity SPL 91.0 dB @ 2.83V / 1m

88.0 dB @ 1W / 1m

Cone area Sd 523 cm²

Moving mass Mms 220 g

Cone material Sandwich paper cone

Mechanical resistance Rms 7.9 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 276.8 mm / 10.90″

Installation depth 95.5 mm / 3.76″



Recommended enclosure volumes



Sealed box

Net volume 22 L

Lower limiting frequency (-3dB) 39 Hz

Recommended DSP settings Recommended ″self-define″ highpass filter with 35 Hz cut-off frequency and Q = 1.5

additional EQ filter 75 Hz / Q = 1.5 / -3 dB



Vented box

Net volume 40 L

Port diameter ø 100 mm / 3.94″

Port area 78 cm²

Port length 32 cm / 12.6″

Port tuning frequency Fb 36 Hz

Lower limiting frequency (-3dB) 37 Hz

Recommended DSP settings Recommended ″self-define″ highpass filter with 36 Hz cut-off frequency and Q = 1.0

additional EQ filter 75 Hz / Q = 0.7 / -2 dB