Helix's IK Series 6.5″ subwoofer element that works in a small reflex enclosure. The element is available with 2x2 Ohm and 1x2 Ohm voice coils. These elements offer very good sound quality in a small space.

Power handling RMS / Max.    P    150 / 300 Watt

Impedance    Z    1 x 2 Ω

DC resistance    Re   1 x 2.0 Ω

Resonance frequency     Fs   50 Hz

Mechanical Q factor    Qms    3.92

Electrical Q factor     Qes    0.32

Total Q factor     Qts    0.30

Compliance    Cms   261 μm/N

Equivalent air volume    Vas   5.3 L

Force factor     B*I   12.3 Tm

Sensitivity    SPL    89.0 dB @ 2.83V / 1m

86.0 dB @ 1W / 1m

Cone area    Sd   123 cm²

Moving mass    Mms    37 g

Cone material      Hand-scooped paper cone

Mechanical resistance    Rms    3.04 kg/s

Voice coil diameter    ø   37 mm

Voice coil winding height      18 mm

Max. linear excursion     Xmax    +/- 6.0 mm

Outer diameter    ø   164.2 mm / 6.46″

Installation diameter    ø   132.5 mm / 5.22″

Installation depth      74.3 mm / 2.93″

       

Recommended enclosure    

    

Vented box                   7 L

Port diameter        50 mm

Port area         20 cm²

Port length       34 cm (angled port)

Port tuning frequency    Fb    45 Hz

Lower limiting frequency (-3dB)        43 Hz

Recommended DSP settings       Recommended ″self-define″ highpass filter with 45 Hz cut-off frequency and Q = 1.2

additional EQ filter 80 Hz / Q = 1.0 / +1.0 dB



Scope of delivery

1 x HELIX IK W6-DVC2 subwoofer

1 x Grille

1 x Gasket

1 x Data sheet