DS18 SLC-10S

10″ subwoofer · 4 Ω · 220 W RMS

Fs 40 HzQts 0.77Vas 1.03 ft³Xmax 0.59″

Recommended box

For a sedan, one sub, 220 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)
Qtc1.04
Fc54 Hz
F3 (−3 dB, no cabin gain)43 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)37 Hz
Portslot 1 9/16 × 14 5/16″, 16 3/16″ long
Port velocity at 220 W51 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 9/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs40 Hz
Qts0.77
Qes0.891
Qms5.88
Vas1.03 ft³
Re3.6 Ω
Sd56.6 in²
Xmax0.59″
Vd33.4 in³ calc.
Mms102 g calc.
BL10.2 T·m calc.
EBP45 — suits sealed calc.
Sensitivity, 1 W / 1 m85.2 dB calc.

General

Size10″
Voice coils4 Ω
RMS power220 W

Mounting dimensions

Ø10 1/4″cutout Ø9 1/8″mounting depth 4 7/16″magnet Ø≈ 5 15/16″
Cutout diameter9 1/8″
Mounting depth4 7/16″
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