Bomber Bicho Papão 700W (Edição Especial) 4 Ohm (SWBP12-700-4)

12″ subwoofer · 4 Ω · 700 W RMS

Fs 42 HzQts 0.60Vas 1.27 ft³Xmax 0.47″

Recommended box

For a sedan, one sub, 700 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 volume1.70 ft³ (48 L)
Qtc0.80
Fc56 Hz
F3 (−3 dB, no cabin gain)52 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 20 9/16″
Open sealed box in designer

Ported

Net volume3.04 ft³ (86 L)
Tuning (Fb)35 Hz
Portslot 2 15/16 × 14 5/16″, 25″ long
Port velocity at 700 W64 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 16 7/8″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs42 Hz
Qts0.60
Qes0.62
Qms23
Vas1.27 ft³
Re4.25 Ω
Sd78.4 in²
Xmax0.47″
Vd37.1 in³ calc.
Mms145 g calc.
BL16.2 T·m calc.
EBP68 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.3 dB calc.

General

Size12″
Voice coils4 Ω
RMS power700 W

Mounting dimensions

Ø12 1/16″cutout ≈ Ø10 7/8″mounting depth 6 1/4″magnet Ø6 1/8″
Cutout diameter≈ 10 7/8″
Mounting depth6 1/4″
Overall diameter12 1/16″
Magnet diameter6 1/8″

“≈” 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