Kicker Solo-Baric L7XS 18" 2-Ohm DVC (52L7XS182)

18″ subwoofer · dual 2 Ω · 4,000 W RMS

Fs 30.2 HzQts 0.51Vas 2.84 ft³Xmax 1.70″

Recommended box

For a sedan, one sub, 4,000 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 volume2.15 ft³ (61 L)
Qtc0.77
Fc46 Hz
F3 (−3 dB, no cabin gain)45 Hz
Example box (outside)19 11/16″ × 19 11/16″ × 14 1/16″
Open sealed box in designer

Ported

Net volume6.07 ft³ (172 L)
Tuning (Fb)26 Hz
Port2 round ports Ø4″, 13 9/16″ long
Port velocity at 4,000 W293 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 20 1/2″ × 21 5/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs30.2 Hz
Qts0.51
Qes0.581
Qms3.99
Vas2.84 ft³
Re (one coil)1.77 Ω
Sd235.8 in²
Xmax1.70″
Vd400 in³ calc.
Mms1,134 g calc.
BL25.6 T·m calc.
EBP52 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.8 dB calc.

General

Size18″
Voice coilsdual 2 Ω
RMS power4,000 W

Mounting dimensions

≈ 17 11/16″ × ≈ 17 11/16″cutout ≈ 16 9/16″mounting depth ≈ 8 1/4″magnet Ø11 5/16″
Cutout (square, side)≈ 16 9/16″
Mounting depth≈ 8 1/4″
Magnet diameter11 5/16″

“≈” 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 Kicker 18″ models