MD.Lab SW-B10F

10″ subwoofer · 4 Ω · 250 W RMS

Fs 52.1 HzQts 0.97Vas 0.54 ft³

Recommended box

For a sedan, one sub, 250 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)
Qtc1.19
Fc64 Hz
F3 (−3 dB, no cabin gain)48 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 18 5/8″
Open sealed box in designer

Ported

Net volume2.26 ft³ (64 L)
Tuning (Fb)39 Hz
Portslot 1 9/16 × 14 5/16″, 13 5/8″ long
Port velocity at 250 W63 ft/s
F3 (−3 dB, no cabin gain)32 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 11/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs52.1 Hz
Qts0.97
Qes1.19
Qms5.33
Vas0.54 ft³
Re3.8 Ω
Sd58.4 in²
Xmax≈ 0.39″
Mms122 g calc.
BL11.3 T·m calc.
EBP44 — suits sealed calc.
Sensitivity, 1 W / 1 m84.6 dB calc.

General

Size10″
Voice coils4 Ω
RMS power250 W

Mounting dimensions

Ø10 1/16″cutout Ø9 1/16″mounting depth 5 9/16″magnet Ø≈ 5 7/8″
Cutout diameter9 1/16″
Mounting depth5 9/16″
Overall diameter10 1/16″

Cone area (Sd) calculated from Fs, Vas and Mms: 58.4 in².

“≈” 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 MD.Lab 10″ models