The Helix IK S8 is a very high quality low-profile subwoofer that works in a small enclosure and comes with a protective grille.

This element has a mounting depth of only 79.5 mm, so it can be installed in a very shallow enclosure.

Helix IK series subwoofers work in small enclosures. Both in reflex and sealed enclosures. Affordable elements available with 2×2 Ohm and 1x2 Ohm voice coils. The IK series elements offer very good sound quality in a small enclosure.

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   43 Hz

Mechanical Q factor     Qms    4.79

Electrical Q factor     Qes    0.57

Total Q factor    Qts    0.51

Compliance    Cms   160 μm/N

Equivalent air volume    Vas    11 L

Force factor     B*I    11.9 Tm

Sensitivity     SPL   88.0 dB @ 2.83V / 1m

85.0 dB @ 1W / 1m

Cone area    Sd   222 cm²

Moving mass    Mms    82 g

Cone material      Sandwich paper cone

Mechanical resistance    Rms    4.7 kg/s

Voice coil diameter    ø   50.8 mm

Voice coil winding height      19 mm

Max. linear excursion     Xmax    +/- 6,0 mm

Outer diameter    ø   213 mm / 8.40″

Installation diameter    ø   180.4 mm / 7.10″

Installation depth      79.5 mm / 3.13″

        

Recommended enclosure volumes          



Sealed box        

Net volume        10 L

Lower limiting frequency (-3dB)       46 Hz

Recommended DSP settings        Recommended ″self-define″ highpass filter with 46 Hz cut-off frequency and Q = 1.5

additional EQ filter 100 Hz / Q = 1.0 / -2.5 dB

         

Vented box         

Net volume      10 L

Port diameter    ø   60 mm / 2.36″

Port area      28 cm²

Port length       42 cm / 16.5″ (angled port)

Port tuning frequency    Fb    39 Hz

Lower limiting frequency (-3dB)        45 Hz

Recommended DSP settings       Recommended ″self-define″ highpass filter with 40 Hz cut-off frequency and Q = 1.2

additional EQ filter 100 Hz / Q = 0.9 / -2 dB



Scope of delivery

1 x HELIX IK S8-DVC2 subwoofer

1x Grille

1 x Gasket

1x Connecting terminal

1 x Data sheet