Gladen Sigma SSWX10 Extreme (DVC 2 ohm)

10″ subwoofer · dual 2 Ω · 700 W RMS

Fs 31 HzQts 0.48Vas 0.46 ft³Xmax 0.59″
The published specs don’t add up:

Recommended box

For a sedan, one sub, 700 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
Fc42 Hz
F3 (−3 dB, no cabin gain)47 Hz
Example box (outside)11 13/16″ × 11 13/16″ × 10 15/16″
Open sealed box in designer

Ported

Net volume1.09 ft³ (31 L)
Tuning (Fb)26 Hz
Portround port Ø2 1/2″, 16 3/16″ long
Port velocity at 700 W279 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)22 9/16″ × 15 3/4″ × 8 7/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs31 Hz
Qts0.48
Qes0.52
Qms6.96
Vas0.46 ft³
Re (one coil)1.8 Ω
Sd56.9 in²
Xmax0.59″
Vd33.6 in³ calc.
Mms384 g calc.
BL16.1 T·m calc.
EBP60 — sealed or ported calc.
Sensitivity, 1 W / 1 m80.8 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power700 W

Mounting dimensions

Ø11 1/16″cutout Ø8 3/4″mounting depth 6″magnet Ø6 15/16″
Cutout diameter8 3/4″
Mounting depth6″
Overall diameter11 1/16″
Magnet diameter6 15/16″

“≈” 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 Gladen 10″ models