Helix IQ W10-DVC2 (2x2 Ohm)

10″ subwoofer · dual 2 Ω · 750 W RMS

Fs 38 HzQts 0.43Vas 0.74 ft³Xmax 0.47″

Recommended box

For a sedan, one sub, 750 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 volume0.53 ft³ (15 L)
Qtc0.66
Fc59 Hz
F3 (−3 dB, no cabin gain)66 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 9 5/8″
Open sealed box in designer

Ported

Net volume1.06 ft³ (30 L)
Tuning (Fb)36 Hz
Portslot 1 9/16 × 14 5/16″, 40″ long
Port velocity at 750 W70 ft/s
F3 (−3 dB, no cabin gain)34 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

Fs38 Hz
Qts0.43
Qes0.46
Qms6
Vas0.74 ft³
Re (one coil)1.9 Ω
Sd56.3 in²
Xmax0.47″
Vd26.6 in³ calc.
Mms156 g calc.
BL12.4 T·m calc.
EBP83 — sealed or ported calc.
Sensitivity, 1 W / 1 m86 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power750 W

Mounting dimensions

Ø10 13/16″cutout Ø9 1/4″mounting depth 5 5/16″magnet Ø≈ 6″
Cutout diameter9 1/4″
Mounting depth5 5/16″
Overall diameter10 13/16″

“≈” 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