Sundown Audio SDv4-10 D2

10″ subwoofer · dual 2 Ω · 600 W RMS

Fs 27.4 HzQts 0.51Vas 1.28 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 volume0.88 ft³ (25 L)
Qtc0.80
Fc43 Hz
F3 (−3 dB, no cabin gain)41 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 15 1/2″
Open sealed box in designer

Ported

Net volume2.19 ft³ (62 L)
Tuning (Fb)26 Hz
Portslot 1 15/16 × 14 5/16″, 46 9/16″ long
Port velocity at 600 W60 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 14 3/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs27.4 Hz
Qts0.51
Qes0.569
Qms4.92
Vas1.28 ft³
Re (one coil)1.95 Ω
Sd56.8 in²
Xmax0.57″
Vd32.4 in³ calc.
Mms177 g calc.
BL10.2 T·m calc.
EBP48 — suits sealed calc.
Sensitivity, 1 W / 1 m83.2 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power600 W

Mounting dimensions

Ø10 7/8″cutout Ø9 3/16″mounting depth 4 7/16″magnet Ø≈ 6″
Cutout diameter9 3/16″
Mounting depth4 7/16″
Overall diameter10 7/8″

Cone area (Sd) calculated from Fs, Vas and Mms: 56.8 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 Sundown Audio 10″ models