Sundown Audio SDv4-10 D4

10″ subwoofer · dual 4 Ω · 600 W RMS

Fs 27.1 HzQts 0.56Vas 1.41 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 volume1.31 ft³ (37 L)
Qtc0.80
Fc39 Hz
F3 (−3 dB, no cabin gain)37 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 6 15/16″
Open sealed box in designer

Ported

Net volume2.19 ft³ (62 L)
Tuning (Fb)27 Hz
Portslot 1 3/4 × 14 5/16″, 38 3/8″ long
Port velocity at 600 W64 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 13 1/2″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs27.1 Hz
Qts0.56
Qes0.63
Qms4.7
Vas1.41 ft³
Re (one coil)3.67 Ω
Sd56.8 in²
Xmax0.57″
Vd32.4 in³ calc.
Mms164 g calc.
BL12.8 T·m calc.
EBP43 — suits sealed calc.
Sensitivity, 1 W / 1 m83 dB calc.

General

Size10″
Voice coilsdual 4 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