Bomber Bicho Papão 1200W 4+4 Ohm (SW15BPF1200-4+4)

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

Fs 28 HzQts 0.67Vas 3.67 ft³Xmax 0.71″

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 volume2.75 ft³ (78 L)
Qtc1.03
Fc43 Hz
F3 (−3 dB, no cabin gain)35 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 11 3/4″
Open sealed box in designer

Ported

Net volume4.66 ft³ (132 L)
Tuning (Fb)32 Hz
Portslot 3 3/8 × 16 5/16″, 24 7/16″ long
Port velocity at 1,200 W64 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 21 9/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28 Hz
Qts0.67
Qes0.74
Qms7.65
Vas3.67 ft³
Re (one coil)3.59 Ω
Sd120.7 in²
Xmax0.71″
Vd85.6 in³ calc.
Mms267 g calc.
BL15.1 T·m calc.
EBP38 — suits sealed calc.
Sensitivity, 1 W / 1 m86.9 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power1,200 W

Mounting dimensions

Ø15 3/8″cutout ≈ Ø13 13/16″mounting depth 9 3/16″magnet Ø6 5/8″
Cutout diameter≈ 13 13/16″
Mounting depth9 3/16″
Overall diameter15 3/8″
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