Rockville DESTROYER 15D2

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

Fs 36.4 HzQts 0.52Vas 1.93 ft³Xmax 1.38″

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 volume1.57 ft³ (44.5 L)
Qtc0.78
Fc54 Hz
F3 (−3 dB, no cabin gain)52 Hz
Example box (outside)18 1/8″ × 18 1/8″ × 12 1/4″
Open sealed box in designer

Ported

Net volume4.45 ft³ (126 L)
Tuning (Fb)30 Hz
Portslot 4 5/16 × 17 1/2″, 43 3/8″ long
Port velocity at 2,000 W64 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 18 7/8″ × 23 5/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs36.4 Hz
Qts0.52
Qes0.616
Qms3.39
Vas1.93 ft³
Re (one coil)1.8 Ω
Sd120.8 in²
Xmax1.38″
Vd166.4 in³ calc.
Mms300 g calc.
BL14.2 T·m calc.
EBP59 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.3 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power2,000 W

Mounting dimensions

Ø≈ 15 15/16″cutout Ø14 3/4″mounting depth 9 3/4″magnet Ø8 1/4″
Cutout diameter14 3/4″
Mounting depth9 3/4″
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