MTX Audio TX615

15″ subwoofer · 2 Ω · 1,000 W RMS

Fs 28 HzQts 0.42Vas 3.17 ft³Xmax 0.55″

Recommended box

For a sedan, one sub, 1,000 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 volume1.24 ft³ (35 L)
Qtc0.80
Fc53 Hz
F3 (−3 dB, no cabin gain)50 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 11 9/16″
Open sealed box in designer

Ported

Net volume4.06 ft³ (115 L)
Tuning (Fb)28 Hz
Portslot 2 15/16 × 16 5/16″, 34 11/16″ long
Port velocity at 1,000 W65 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 20 3/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28 Hz
Qts0.42
Qes0.46
Qms5.54
Vas3.17 ft³
Re2 Ω
Sd129.9 in²
Xmax0.55″
Vd71.6 in³ calc.
Mms358 g calc.
BL16.5 T·m calc.
EBP61 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.3 dB calc.

General

Size15″
Voice coils2 Ω
RMS power1,000 W

Mounting dimensions

Ø15 7/16″cutout Ø13 13/16″mounting depth 6 15/16″magnet Ø≈ 9″
Cutout diameter13 13/16″
Mounting depth6 15/16″
Overall diameter15 7/16″

“≈” 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 MTX Audio 15″ models