JL Audio 10TW3-D4

10″ subwoofer · dual 4 Ω · 400 W RMS

Fs 32.3 HzQts 0.62Vas 0.70 ft³Xmax 0.60″

Recommended box

For a sedan, one sub, 400 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 volume1.06 ft³ (30 L)
Qtc0.80
Fc42 Hz
F3 (−3 dB, no cabin gain)39 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 5 15/16″
Open sealed box in designer

Ported

Net volume2.19 ft³ (62 L)
Tuning (Fb)26 Hz
Portslot 1 3/4 × 14 5/16″, 41 11/16″ long
Port velocity at 400 W60 ft/s
F3 (−3 dB, no cabin gain)22 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 13 11/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs32.3 Hz
Qts0.62
Qes0.656
Qms11.35
Vas0.70 ft³
Re (one coil)4.52 Ω
Sd56.6 in²
Xmax0.60″
Vd33.9 in³ calc.
Mms231 g calc.
BL18 T·m calc.
EBP49 — suits sealed calc.
Sensitivity, 1 W / 1 m82.1 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power400 W

Mounting dimensions

Ø11 3/16″cutout Ø9 5/8″mounting depth 3 1/4″magnet Ø5 1/8″
Cutout diameter9 5/8″
Mounting depth3 1/4″
Overall diameter11 3/16″
Magnet diameter5 1/8″

“≈” 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 JL Audio 10″ models