CT Sounds MESO-15 D2

15″ subwoofer · dual 2 Ω · 1,500 W RMS

Fs 32.9 HzQts 0.42Vas 1.85 ft³Xmax 0.71″

Recommended box

For a sedan, one sub, 1,500 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 volume1.13 ft³ (32 L)
Qtc0.69
Fc53 Hz
F3 (−3 dB, no cabin gain)58 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 10 13/16″
Open sealed box in designer

Ported

Net volume2.37 ft³ (67 L)
Tuning (Fb)33 Hz
Portslot 2 15/16 × 16 5/16″, 44 3/16″ long
Port velocity at 1,500 W64 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 15 1/2″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs32.9 Hz
Qts0.42
Qes0.49
Qms3.17
Vas1.85 ft³
Re (one coil)2 Ω
Sd120.8 in²
Xmax0.71″
Vd85.6 in³ calc.
Mms384 g calc.
BL18 T·m calc.
EBP67 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.8 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power1,500 W

Mounting dimensions

Ø15 9/16″cutout Ø13 3/4″mounting depth 8 5/16″magnet Ø≈ 8 15/16″
Cutout diameter13 3/4″
Mounting depth8 5/16″
Overall diameter15 9/16″

“≈” 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 15″ models