JBL GT5-10

10″ subwoofer · 4 Ω · 275 W RMS

Fs 30 HzQts 0.50Vas 1.11 ft³Xmax 0.56″

Recommended box

For a sedan, one sub, 275 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 volume0.71 ft³ (20 L)
Qtc0.80
Fc48 Hz
F3 (−3 dB, no cabin gain)46 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 12 7/8″
Open sealed box in designer

Ported

Net volume2.19 ft³ (62 L)
Tuning (Fb)27 Hz
Portslot 1 9/16 × 14 5/16″, 33 7/8″ long
Port velocity at 275 W53 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 15/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs30 Hz
Qts0.50
Qes0.54
Qms6.48
Vas1.11 ft³
Re4 Ω
Sd56.3 in²
Xmax0.56″
Vd31.5 in³ calc.
Mms167 g calc.
BL15.3 T·m calc.
EBP56 — sealed or ported calc.
Sensitivity, 1 W / 1 m84 dB calc.

General

Size10″
Voice coils4 Ω
RMS power275 W

Mounting dimensions

Ø10 3/8″cutout Ø9 3/16″mounting depth 5 15/16″magnet Ø≈ 5 15/16″
Cutout diameter9 3/16″
Mounting depth5 15/16″
Overall diameter10 3/8″

“≈” 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 JBL 10″ models