Rockville PUNISHER 15D1

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

28.6 HzFs, resonance
0.32Qts
2.12 ft³Vas
1.14″Xmax
1,500 WRMS

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

smaller, tighter
1.20 ft³ (34 L)
Net volume
Qtc0.54
Fc47 Hz
F3 (−3 dB, no cabin gain)69 Hz
Example box (outside)17 11/16″ × 17 11/16″ × 10 3/8″
Open sealed box in designer

Ported

deeper, louder
2.37 ft³ (67 L)
Net volume
Tuning (Fb)29 Hz
Portslot 2 3/8 × 17 1/16″, 49″ long
Port velocity at 1,500 W74 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)31 1/2″ × 18 1/2″ × 14 3/4″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28.6 Hz
Qts0.32
Qes0.368
Qms2.71
Vas2.12 ft³
Re (one coil)1 Ω
Sd124.1 in²
Xmax1.14″
Vd141.6 in³ calc.
Mms470 g calc.
BL15.1 T·m calc.
EBP78 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.8 dB calc.

General

Size15″
Voice coilsdual 1 Ω
RMS power1,500 W

Mounting dimensions

Ø≈ 15 3/4″cutout Ø14 9/16″mounting depth 7 7/8″magnet Ø8 1/4″
Cutout diameter14 9/16″
Mounting depth7 7/8″
Magnet diameter8 1/4″

“≈” 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 Rockville 15″ models