Bomber Bicho Papão 1200W 4+4 Ohm (SW15BP-1200-4+4)

15″ subwoofer · dual 4 Ω · 1,200 W RMS

Fs 27.4 HzQts 0.53Vas 5.05 ft³Xmax 0.59″

Recommended box

For a sedan, one sub, 1,200 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 volume2.90 ft³ (82 L)
Qtc0.88
Fc45 Hz
F3 (−3 dB, no cabin gain)40 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 12 1/4″
Open sealed box in designer

Ported

Net volume4.91 ft³ (139 L)
Tuning (Fb)32 Hz
Portslot 3 3/8 × 16 5/16″, 22 15/16″ long
Port velocity at 1,200 W65 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 22 1/4″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs27.4 Hz
Qts0.53
Qes0.59
Qms5.4
Vas5.05 ft³
Re (one coil)3.3 Ω
Sd126.9 in²
Xmax0.59″
Vd75 in³ calc.
Mms224 g calc.
BL14.7 T·m calc.
EBP46 — suits sealed calc.
Sensitivity, 1 W / 1 m89 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power1,200 W

Mounting dimensions

Ø15 5/16″cutout ≈ Ø13 3/4″mounting depth 8 3/8″magnet Ø6 5/8″
Cutout diameter≈ 13 3/4″
Mounting depth8 3/8″
Overall diameter15 5/16″
Magnet diameter6 5/8″

“≈” 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 15″ models