CT Sounds EXO-12 D2

12″ subwoofer · dual 2 Ω · 3,000 W RMS

Fs 37.6 HzQts 0.50Vas 0.57 ft³Xmax 1.08″

Recommended box

For a sedan, one sub, 3,000 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 volume0.81 ft³ (23 L)
Qtc0.65
Fc49 Hz
F3 (−3 dB, no cabin gain)56 Hz
Example box (outside)13 3/4″ × 13 3/4″ × 11 13/16″
Open sealed box in designer

Ported

Net volume1.41 ft³ (40 L)
Tuning (Fb)31 Hz
Portround port Ø2 1/2″, 8″ long
Port velocity at 3,000 W685 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)19 5/16″ × 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

Fs37.6 Hz
Qts0.50
Qes0.59
Qms3.19
Vas0.57 ft³
Re (one coil)1.85 Ω
Sd73.1 in²
Xmax1.08″
Vd79.1 in³ calc.
Mms347 g calc.
BL16 T·m calc.
EBP64 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.7 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power3,000 W

Mounting dimensions

Ø12 5/16″cutout Ø10 13/16″mounting depth 9 5/16″magnet Ø≈ 7″
Cutout diameter10 13/16″
Mounting depth9 5/16″
Overall diameter12 5/16″

“≈” 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 CT Sounds 12″ models