CT Sounds EXO-12 D1

12″ subwoofer · dual 1 Ω · 3,000 W RMS

Fs 37.3 HzQts 0.43Vas 0.53 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)
Qtc0.56
Fc48 Hz
F3 (−3 dB, no cabin gain)65 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)29 Hz
Port2 round ports Ø2 1/2″, 20 5/8″ long
Port velocity at 3,000 W344 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)21 1/8″ × 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

Fs37.3 Hz
Qts0.43
Qes0.51
Qms2.95
Vas0.53 ft³
Re (one coil)0.85 Ω
Sd73.1 in²
Xmax1.08″
Vd79.1 in³ calc.
Mms384 g calc.
BL12.2 T·m calc.
EBP73 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.8 dB calc.

General

Size12″
Voice coilsdual 1 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