Bomber Outdoor 800W 4 Ohm (SW12OUT-800-4)

12″ subwoofer · 4 Ω · 800 W RMS

42 HzFs, resonance
0.51Qts
1.78 ft³Vas
0.28″Xmax
800 WRMS

Recommended box

For a sedan, one sub, 800 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
Qtc0.80
Fc66 Hz
F3 (−3 dB, no cabin gain)63 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 15 5/16″
Open sealed box in designer

Ported

deeper, louder
3.14 ft³ (89 L)
Net volume
Tuning (Fb)38 Hz
Portslot 3 1/8 × 14 5/16″, 21 1/16″ long
Port velocity at 800 W64 ft/s
F3 (−3 dB, no cabin gain)34 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 16 15/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs42 Hz
Qts0.51
Qes0.56
Qms5.44
Vas1.78 ft³
Re3.57 Ω
Sd81.1 in²
Xmax0.28″
Vd22.3 in³ calc.
Mms110 g calc.
BL13.6 T·m calc.
EBP75 — sealed or ported calc.
Sensitivity, 1 W / 1 m90.2 dB calc.

General

Size12″
Voice coils4 Ω
RMS power800 W

Mounting dimensions

Ø12 1/16″cutout ≈ Ø10 7/8″mounting depth 6 3/8″magnet Ø6 1/8″
Cutout diameter≈ 10 7/8″
Mounting depth6 3/8″
Overall diameter12 1/16″
Magnet diameter6 1/8″

“≈” 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 Bomber 12″ models