Helix IK W10-DVC2 (2x2 Ohm)

10″ subwoofer · dual 2 Ω · 300 W RMS

Fs 36 HzQts 0.39Vas 1.20 ft³Xmax 0.31″

Recommended box

For a sedan, one sub, 300 W. It’s the same math as the designer’s step-by-step mode, where you can fit the box to your space, vehicle and amp and get plans, a cut sheet and DXF.

Sealed

Net volume0.46 ft³ (13 L)
Qtc0.75
Fc68 Hz
F3 (−3 dB, no cabin gain)69 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 3/16″
Open sealed box in designer

Ported

Net volume1.24 ft³ (35 L)
Tuning (Fb)38 Hz
Portslot 1 9/16 × 14 5/16″, 29 7/8″ long
Port velocity at 300 W47 ft/s
F3 (−3 dB, no cabin gain)36 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 8 13/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs36 Hz
Qts0.39
Qes0.43
Qms4.5
Vas1.20 ft³
Re (one coil)1.6 Ω
Sd51.6 in²
Xmax0.31″
Vd16.3 in³ calc.
Mms90 g calc.
BL8.7 T·m calc.
EBP84 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.7 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power300 W

Mounting dimensions

Ø10 5/16″cutout Ø9 1/8″mounting depth 4 15/16″magnet Ø≈ 5 15/16″
Cutout diameter9 1/8″
Mounting depth4 15/16″
Overall diameter10 5/16″

“≈” means the value isn’t in the spec sheet and a typical value for the size is used; “calc.” means it’s calculated from the published parameters. Check the manufacturer’s spec sheet before you build.

Data sources

Other Helix 10″ models