DS18 EXL-XXB12.2D

12″ subwoofer · dual 2 Ω · 2,000 W RMS

Fs 53.4 HzQts 0.52Vas 0.23 ft³Xmax 1.46″

Recommended box

For a sedan, one sub, 2,000 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 volume0.74 ft³ (21 L)
Qtc0.60
Fc61 Hz
F3 (−3 dB, no cabin gain)76 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 10 7/16″
Open sealed box in designer

Ported

Net volume1.27 ft³ (36 L)
Tuning (Fb)32 Hz
Port2 round ports Ø2 1/2″, 18 5/8″ long
Port velocity at 2,000 W294 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)21 13/16″ × 15 3/4″ × 10 7/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs53.4 Hz
Qts0.52
Qes0.571
Qms5.87
Vas0.23 ft³
Re (one coil)2.03 Ω
Sd67.2 in²
Xmax1.46″
Vd97.9 in³ calc.
Mms356 g calc.
BL20.6 T·m calc.
EBP94 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.5 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power2,000 W

Mounting dimensions

Ø12 5/8″cutout Ø11 1/8″mounting depth 7 7/8″magnet Ø≈ 7 3/16″
Cutout diameter11 1/8″
Mounting depth7 7/8″
Overall diameter12 5/8″

“≈” 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 DS18 12″ models