Kicker L7 12" 2-Ohm DVC (41L7122)

12″ subwoofer · dual 2 Ω · 900 W RMS

Fs 33.4 HzQts 0.69Vas 1.37 ft³Xmax 0.83″

Recommended box

For a sedan, one sub, 900 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 volume2.26 ft³ (64 L)
Qtc0.88
Fc42 Hz
F3 (−3 dB, no cabin gain)37 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 10 7/8″
Open sealed box in designer

Ported

Net volume3.81 ft³ (108 L)
Tuning (Fb)28 Hz
Portslot 3 3/8 × 14 5/16″, 37 1/8″ long
Port velocity at 900 W64 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 21 15/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs33.4 Hz
Qts0.69
Qes0.736
Qms11.52
Vas1.37 ft³
Re (one coil)1.83 Ω
Sd98.4 in²
Xmax0.83″
Vd81.4 in³ calc.
Mms335 g calc.
BL13.2 T·m calc.
EBP45 — suits sealed calc.
Sensitivity, 1 W / 1 m84.9 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power900 W

Mounting dimensions

12 5/8″ × 12 5/8″cutout 11 1/16″mounting depth 7 7/8″magnet Ø≈ 7 3/16″
Cutout (square, side)11 1/16″
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 Kicker 12″ models