JBL Club 1024 (SSI set to 4 ohm)

10″ subwoofer · 4 Ω · 250 W RMS

30.7 HzFs, resonance
0.49Qts
1.08 ft³Vas
0.37″Xmax
250 WRMS

Recommended box

For a sedan, one sub, 250 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

smaller, tighter
0.64 ft³ (18 L)
Net volume
Qtc0.80
Fc50 Hz
F3 (−3 dB, no cabin gain)48 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 11 13/16″
Open sealed box in designer

Ported

deeper, louder
1.98 ft³ (56 L)
Net volume
Tuning (Fb)28 Hz
Portslot 1 9/16 × 14 5/16″, 35″ long
Port velocity at 250 W47 ft/s
F3 (−3 dB, no cabin gain)25 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 1/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs30.7 Hz
Qts0.49
Qes0.6
Qms2.6
Vas1.08 ft³
Re4.3 Ω
Sd51.2 in²
Xmax0.37″
Vd18.7 in³ calc.
Mms136 g calc.
BL13.7 T·m calc.
EBP51 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.7 dB calc.

General

Size10″
Voice coils4 Ω
RMS power250 W

Mounting dimensions

Ø10 11/16″cutout Ø9″mounting depth 5 9/16″magnet Ø≈ 5 13/16″
Cutout diameter9″
Mounting depth5 9/16″
Overall diameter10 11/16″

“≈” 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 JBL 10″ models