DD Audio 1010c D4

10″ subwoofer · dual 4 Ω · 400 W RMS

Fs 28.3 HzQts 0.65Vas 0.68 ft³Xmax 0.55″

Recommended box

For a sedan, one sub, 400 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 volume1.20 ft³ (34 L)
Qtc0.82
Fc35 Hz
F3 (−3 dB, no cabin gain)32 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 20 3/16″
Open sealed box in designer

Ported

Net volume2.05 ft³ (58 L)
Tuning (Fb)25 Hz
Portslot 1 9/16 × 14 5/16″, 43 3/16″ long
Port velocity at 400 W62 ft/s
F3 (−3 dB, no cabin gain)21 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 13″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28.3 Hz
Qts0.65
Qes0.733
Qms6.12
Vas0.68 ft³
Re (one coil)≈ 3.4 Ω
Sd≈ 52.7 in²
Xmax0.55″
EBP39 — suits sealed calc.
Sensitivity, 1 W / 1 m79.7 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power400 W

Mounting dimensions

Ø10 1/8″cutout Ø9 1/8″mounting depth 5 3/4″magnet Ø≈ 5 15/16″
Cutout diameter9 1/8″
Mounting depth5 3/4″
Overall diameter10 1/8″

“≈” 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 DD Audio 10″ models