Kicker Solo-Baric L7R 12" 4-Ohm DVC (45L7R124)

12″ subwoofer · dual 4 Ω · 600 W RMS

Fs 29.9 HzQts 0.54Vas 2.49 ft³Xmax 0.69″

Recommended box

For a sedan, one sub, 600 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 volume2.05 ft³ (58 L)
Qtc0.80
Fc45 Hz
F3 (−3 dB, no cabin gain)42 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 10 1/16″
Open sealed box in designer

Ported

Net volume3.88 ft³ (110 L)
Tuning (Fb)30 Hz
Portslot 2 3/4 × 14 5/16″, 25″ long
Port velocity at 600 W61 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 20 1/8″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs29.9 Hz
Qts0.54
Qes0.576
Qms8.22
Vas2.49 ft³
Re (one coil)3.44 Ω
Sd100 in²
Xmax0.69″
Vd68.9 in³ calc.
Mms237 g calc.
BL16.3 T·m calc.
EBP52 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.2 dB calc.

General

Size12″
Voice coilsdual 4 Ω
RMS power600 W

Mounting dimensions

≈ 12 1/4″ × ≈ 12 1/4″cutout 11 1/16″mounting depth 6 7/8″magnet Ø6 13/16″
Cutout (square, side)11 1/16″
Mounting depth6 7/8″
Magnet diameter6 13/16″

“≈” 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 12″ models