Ground Zero GZHW 10XSPL-D1 (2x1 Ohm)

10″ subwoofer · dual 1 Ω

Fs 40.5 HzQts 0.41Vas 0.36 ft³Xmax 0.79″

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 volume0.49 ft³ (14 L)
Qtc0.54
Fc53 Hz
F3 (−3 dB, no cabin gain)76 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 9 1/8″
Open sealed box in designer

Ported

Net volume1.02 ft³ (29 L)
Tuning (Fb)30 Hz
Portround port Ø3″, 18 3/16″ long
Port velocity at 300 W140 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)21 3/8″ × 15 3/4″ × 8 11/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs40.5 Hz
Qts0.41
Qes0.442
Qms6
Vas0.36 ft³
Re (one coil)≈ 0.85 Ω
Sd≈ 52.7 in²
Xmax0.79″
EBP92 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.8 dB calc.

General

Size10″
Voice coilsdual 1 Ω
RMS power—

Mounting dimensions

Ø≈ 10 5/8″cutout Ø9 7/16″mounting depth 6 1/8″magnet Ø≈ 6 1/8″
Cutout diameter9 7/16″
Mounting depth6 1/8″

Only Qts is published — Qms assumed to be 6 and Qes calculated (barely affects box design).

“≈” 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 Ground Zero 10″ models