Bomber Upgrade 350W 4 Ohm (SW10UP-350-B4)

10″ subwoofer · 4 Ω · 350 W RMS

Fs 28 HzQts 0.91Vas 2.37 ft³Xmax 0.37″

Recommended box

For a sedan, one sub, 350 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 volume1.31 ft³ (37 L)
Qtc1.52
Fc47 Hz
F3 (−3 dB, no cabin gain)34 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 21 3/4″
Open sealed box in designer

Ported

Net volume2.19 ft³ (62 L)
Tuning (Fb)38 Hz
Portslot 1 9/16 × 14 5/16″, 15 3/16″ long
Port velocity at 350 W54 ft/s
F3 (−3 dB, no cabin gain)32 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 1/2″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28 Hz
Qts0.91
Qes1.16
Qms4.21
Vas2.37 ft³
Re3.33 Ω
Sd56.7 in²
Xmax0.37″
Vd21.2 in³ calc.
Mms92 g calc.
BL6.8 T·m calc.
EBP24 — suits sealed calc.
Sensitivity, 1 W / 1 m83 dB calc.

General

Size10″
Voice coils4 Ω
RMS power350 W

Mounting dimensions

Ø10″cutout ≈ Ø9″mounting depth 4 15/16″magnet Ø≈ 5 7/8″
Cutout diameter≈ 9″
Mounting depth4 15/16″
Overall diameter10″

“≈” 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 10″ models