Helix IK S10-DVC2 ( 2x2Ohm )

Power handling RMS / max. P 300 / 600 Watts

Impedance Z 2 x 2 Ω

DC resistance Re 2.0 Ω

Resonance frequency Fs 37 Hz

Mechanical Q factor Qms 7.61

Electrical Q factor Qes 0.54

Total Q factor Qts 0.51

Compliance Cms 150 μm/N

Equivalent air volume Vas 26 L

Force factor B*I 10.1 Tm

Sensitivity SPL 93.0 dB @ 2.83V / 1m

87.0 dB @ 1W / 1m

Cone area Sd 353 cm²

Moving mass Mms 119 g

Cone material Sandwich paper cone

Mechanical resistance Rms 3.7 kg/s

Voice coil diameter ø 50.8 mm

Voice coil winding height 18 mm

Max. linear excursion Xmax +/- 6.0 mm

Outer diameter ø 262 mm / 10.31″

Installation diameter ø 229 mm / 9.01″

Installation depth 84.5 mm / 3.33″



Recommended enclosure volumes



Sealed box

Net volume 14 L

Lower limiting frequency (-3dB) 46 Hz

Recommended DSP settings Recommended ″self-define″ highpass filter with 45 Hz cut-off frequency and Q = 1.3

additional EQ filter 100 Hz / Q = 1.0 / -3 dB



Vented box

Net volume 16 L

Port diameter ø 70 mm / 2.76″

Port area 38 cm²

Port length 38 cm / 14.96″

Port tuning frequency Fb 37 Hz

Lower limiting frequency (-3dB) 39 Hz

Recommended DSP settings Recommended ″self-define″ highpass filter with 37 Hz cut-off frequency and Q = 1.2

additional EQ filter 95 Hz / Q = 0.7 / -3 dB