DS18 GEN-X104D

10″ subwoofer · dual 4 Ω · 400 W RMS

Fs 54.6 HzQts 0.55Vas 0.37 ft³Xmax 0.69″

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 volume0.46 ft³ (13 L)
Qtc0.74
Fc74 Hz
F3 (−3 dB, no cabin gain)73 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 3/16″
Open sealed box in designer

Ported

Net volume1.02 ft³ (29 L)
Tuning (Fb)42 Hz
Port2 round ports Ø3″, 18 5/8″ long
Port velocity at 400 W90 ft/s
F3 (−3 dB, no cabin gain)38 Hz
Example box (outside)25 3/8″ × 15 3/4″ × 7 7/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs54.6 Hz
Qts0.55
Qes0.616
Qms5.19
Vas0.37 ft³
Re (one coil)3.2 Ω
Sd51.2 in²
Xmax0.69″
Vd35.5 in³ calc.
Mms124 g calc.
BL14.8 T·m calc.
EBP89 — sealed or ported calc.
Sensitivity, 1 W / 1 m86.5 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power400 W

Mounting dimensions

Ø10 1/4″cutout Ø9 3/16″mounting depth 5 3/8″magnet Ø≈ 6″
Cutout diameter9 3/16″
Mounting depth5 3/8″
Overall diameter10 1/4″

“≈” 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 DS18 10″ models