Bomber Bicho Papão Competição 5000W 2 Ohm (SW12BPCOMP-5000-2)

12″ subwoofer · 2 Ω · 1,250 W RMS

Fs 39 HzQts 0.41Vas 1.80 ft³Xmax 0.72″
The published specs don’t add up:

Recommended box

For a sedan, one sub, 1,250 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 volume0.97 ft³ (27.5 L)
Qtc0.69
Fc66 Hz
F3 (−3 dB, no cabin gain)71 Hz
Example box (outside)14 9/16″ × 14 9/16″ × 12 3/16″
Open sealed box in designer

Ported

Net volume2.05 ft³ (58 L)
Tuning (Fb)40 Hz
Port2 round ports Ø2 1/2″, 6 5/16″ long
Port velocity at 1,250 W294 ft/s
F3 (−3 dB, no cabin gain)38 Hz
Example box (outside)26 3/8″ × 15 3/4″ × 12″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs39 Hz
Qts0.41
Qes0.43
Qms7.64
Vas1.80 ft³
Re0.9 Ω
Sd79.2 in²
Xmax0.72″
Vd57.1 in³ calc.
Mms121 g calc.
BL7.9 T·m calc.
EBP91 — sealed or ported calc.
Sensitivity, 1 W / 1 m90.5 dB calc.

General

Size12″
Voice coils2 Ω
RMS power1,250 W

Mounting dimensions

Ø12 5/8″cutout ≈ Ø11 5/16″mounting depth 9 5/8″magnet Ø7 7/8″
Cutout diameter≈ 11 5/16″
Mounting depth9 5/8″
Overall diameter12 5/8″
Magnet diameter7 7/8″

“≈” 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