Bomber Bicho Papão 5K 2500W 4+4 Ohm (SW15BPF5K-4+4)

15″ subwoofer · dual 4 Ω · 2,500 W RMS

Fs 32 HzQts 0.60Vas 2.26 ft³Xmax 0.69″

Recommended box

For a sedan, one sub, 2,500 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 volume2.75 ft³ (78 L)
Qtc0.81
Fc43 Hz
F3 (−3 dB, no cabin gain)40 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 22 7/16″
Open sealed box in designer

Ported

Net volume4.66 ft³ (132 L)
Tuning (Fb)29 Hz
Portslot 5 5/16 × 16 5/16″, 51 3/8″ long
Port velocity at 2,500 W65 ft/s
F3 (−3 dB, no cabin gain)25 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 28 3/8″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs32 Hz
Qts0.60
Qes0.62
Qms16.69
Vas2.26 ft³
Re (one coil)2.84 Ω
Sd120.7 in²
Xmax0.69″
Vd83.2 in³ calc.
Mms332 g calc.
BL17.5 T·m calc.
EBP52 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.3 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power2,500 W

Mounting dimensions

Ø15 3/8″cutout ≈ Ø13 13/16″mounting depth 10 5/8″magnet Ø8 11/16″
Cutout diameter≈ 13 13/16″
Mounting depth10 5/8″
Overall diameter15 3/8″
Magnet diameter8 11/16″

“≈” 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 15″ models