Bomber Bicho Papão 600W 4+4 Ohm (SW12BP-600-4+4)

12″ subwoofer · dual 4 Ω · 600 W RMS

Fs 32 HzQts 0.54Vas 2.90 ft³Xmax 0.39″

Recommended box

For a sedan, one sub, 600 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 volume1.84 ft³ (52 L)
Qtc0.86
Fc51 Hz
F3 (−3 dB, no cabin gain)46 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 9 3/16″
Open sealed box in designer

Ported

Net volume3.11 ft³ (88 L)
Tuning (Fb)36 Hz
Portslot 2 3/8 × 14 5/16″, 17 11/16″ long
Port velocity at 600 W64 ft/s
F3 (−3 dB, no cabin gain)33 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 15 15/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs32 Hz
Qts0.54
Qes0.59
Qms6.01
Vas2.90 ft³
Re (one coil)3.53 Ω
Sd80.4 in²
Xmax0.39″
Vd31.7 in³ calc.
Mms115 g calc.
BL11.8 T·m calc.
EBP54 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.6 dB calc.

General

Size12″
Voice coilsdual 4 Ω
RMS power600 W

Mounting dimensions

Ø12″cutout ≈ Ø10 13/16″mounting depth 6 1/8″magnet Ø5 1/4″
Cutout diameter≈ 10 13/16″
Mounting depth6 1/8″
Overall diameter12″
Magnet diameter5 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 Bomber 12″ models