Bomber Slim TKL 400W 4 Ohm (SW10STKL400-4)

10″ subwoofer · 4 Ω · 400 W RMS

Fs 33 HzQts 0.57Vas 1.06 ft³Xmax 0.31″

Recommended box

For a sedan, one sub, 400 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 volume1.09 ft³ (31 L)
Qtc0.80
Fc46 Hz
F3 (−3 dB, no cabin gain)43 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 17 7/16″
Open sealed box in designer

Ported

Net volume2.15 ft³ (61 L)
Tuning (Fb)30 Hz
Portslot 1 3/4 × 14 5/16″, 30 13/16″ long
Port velocity at 400 W60 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 3/4″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs33 Hz
Qts0.57
Qes0.61
Qms8.5
Vas1.06 ft³
Re3.14 Ω
Sd55.2 in²
Xmax0.31″
Vd17.4 in³ calc.
Mms139 g calc.
BL12.2 T·m calc.
EBP54 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.5 dB calc.

General

Size10″
Voice coils4 Ω
RMS power400 W

Mounting dimensions

Ø10 3/8″cutout ≈ Ø9 3/8″mounting depth 3 13/16″magnet Ø6 1/8″
Cutout diameter≈ 9 3/8″
Mounting depth3 13/16″
Overall diameter10 3/8″
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 10″ models