Rockville DESTROYER 12D2

12″ subwoofer · dual 2 Ω · 2,000 W RMS

Fs 37.5 HzQts 0.39Vas 0.81 ft³

Recommended box

For a sedan, one sub, 2,000 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 volume0.92 ft³ (26 L)
Qtc0.53
Fc51 Hz
F3 (−3 dB, no cabin gain)76 Hz
Example box (outside)14 15/16″ × 14 15/16″ × 11 1/16″
Open sealed box in designer

Ported

Net volume1.41 ft³ (40 L)
Tuning (Fb)33 Hz
Portround port Ø2 1/2″, 6 13/16″ long
Port velocity at 2,000 W583 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)20 3/8″ × 15 3/4″ × 11 1/4″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs37.5 Hz
Qts0.39
Qes0.448
Qms2.74
Vas0.81 ft³
Re (one coil)1.8 Ω
Sd73.1 in²
Xmax≈ 0.39″
Mms247 g calc.
BL15.3 T·m calc.
EBP84 — sealed or ported calc.
Sensitivity, 1 W / 1 m86.3 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power2,000 W

Mounting dimensions

Ø≈ 12 13/16″cutout Ø11 5/8″mounting depth 8 11/16″magnet Ø8 1/4″
Cutout diameter11 5/8″
Mounting depth8 11/16″
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