Rockville PUNISHER 12D1

12″ subwoofer · dual 1 Ω · 1,400 W RMS

Fs 31.6 HzQts 0.34Vas 0.87 ft³Xmax 1.10″

Recommended box

For a sedan, one sub, 1,400 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 volume0.79 ft³ (22.5 L)
Qtc0.49
Fc46 Hz
F3 (−3 dB, no cabin gain)75 Hz
Example box (outside)14 15/16″ × 14 15/16″ × 9 7/8″
Open sealed box in designer

Ported

Net volume1.59 ft³ (45 L)
Tuning (Fb)27 Hz
Portround port Ø3″, 14 1/16″ long
Port velocity at 1,400 W336 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)26 3/8″ × 15 3/4″ × 10 1/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs31.6 Hz
Qts0.34
Qes0.384
Qms2.88
Vas0.87 ft³
Re (one coil)1 Ω
Sd82.2 in²
Xmax1.10″
Vd90.6 in³ calc.
Mms409 g calc.
BL14.5 T·m calc.
EBP82 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.1 dB calc.

General

Size12″
Voice coilsdual 1 Ω
RMS power1,400 W

Mounting dimensions

Ø≈ 13 1/8″cutout Ø11 15/16″mounting depth 7 1/2″magnet Ø8 1/4″
Cutout diameter11 15/16″
Mounting depth7 1/2″
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 12″ models