Ground Zero GZHW 10SPL-D2 FLAT (2x2 Ohm)

10″ subwoofer · dual 2 Ω · 600 W RMS

Fs 35.5 HzQts 0.43Vas 0.70 ft³Xmax 0.57″

Recommended box

For a sedan, one sub, 600 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)
Qtc0.67
Fc55 Hz
F3 (−3 dB, no cabin gain)61 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 9 1/8″
Open sealed box in designer

Ported

Net volume1.06 ft³ (30 L)
Tuning (Fb)33 Hz
Portround port Ø2 1/2″, 9 11/16″ long
Port velocity at 600 W280 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)28 13/16″ × 15 3/4″ × 6 1/2″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs35.5 Hz
Qts0.43
Qes0.456
Qms8.94
Vas0.70 ft³
Re (one coil)2.01 Ω
Sd56.1 in²
Xmax0.57″
Vd32 in³ calc.
Mms189 g calc.
BL13.6 T·m calc.
EBP78 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.9 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power600 W

Mounting dimensions

Ø10 13/16″cutout Ø9 3/8″mounting depth 4 1/16″magnet Ø≈ 6 1/16″
Cutout diameter9 3/8″
Mounting depth4 1/16″
Overall diameter10 13/16″

Cone area (Sd) calculated from Fs, Vas and Mms: 56.1 in².

“≈” 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