Kicker L7 8" 2-Ohm DVC (41L782)

8″ subwoofer · dual 2 Ω · 500 W RMS

Fs 47.7 HzQts 0.74Vas 0.26 ft³Xmax 0.69″

Recommended box

For a sedan, one sub, 500 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 volume0.53 ft³ (15 L)
Qtc0.91
Fc58 Hz
F3 (−3 dB, no cabin gain)50 Hz
Example box (outside)10 1/4″ × 10 1/4″ × 14 5/8″
Open sealed box in designer

Ported

Net volume1.66 ft³ (47 L)
Tuning (Fb)29 Hz
Portslot 1 3/4 × 14 5/16″, 44 7/16″ long
Port velocity at 500 W65 ft/s
F3 (−3 dB, no cabin gain)25 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 13/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs47.7 Hz
Qts0.74
Qes0.791
Qms12.28
Vas0.26 ft³
Re (one coil)1.56 Ω
Sd43.7 in²
Xmax0.69″
Vd30.1 in³ calc.
Mms171 g calc.
BL10 T·m calc.
EBP60 — sealed or ported calc.
Sensitivity, 1 W / 1 m82 dB calc.

General

Size8″
Voice coilsdual 2 Ω
RMS power500 W

Mounting dimensions

8 13/16″ × 8 13/16″cutout 7 1/4″mounting depth 5 7/16″magnet Ø≈ 4 11/16″
Cutout (square, side)7 1/4″
Mounting depth5 7/16″
Overall diameter8 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 8″ models