Kicker L7 8" 4-Ohm DVC (41L784)

8″ subwoofer · dual 4 Ω · 500 W RMS

Fs 48.6 HzQts 0.85Vas 0.27 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)
Qtc1.04
Fc60 Hz
F3 (−3 dB, no cabin gain)47 Hz
Example box (outside)10 1/4″ × 10 1/4″ × 14 5/8″
Open sealed box in designer

Ported

Net volume1.70 ft³ (48 L)
Tuning (Fb)31 Hz
Portslot 1 15/16 × 14 5/16″, 41 7/8″ long
Port velocity at 500 W60 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs48.6 Hz
Qts0.85
Qes0.912
Qms12.01
Vas0.27 ft³
Re (one coil)2.86 Ω
Sd43.7 in²
Xmax0.69″
Vd30.1 in³ calc.
Mms157 g calc.
BL12.3 T·m calc.
EBP53 — sealed or ported calc.
Sensitivity, 1 W / 1 m81.9 dB calc.

General

Size8″
Voice coilsdual 4 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