Clarion SW2511

10″ subwoofer · 4 Ω · 200 W RMS

Fs 31 HzQts 0.43Vas 1.14 ft³

Recommended box

For a sedan, one sub, 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 volume0.49 ft³ (14 L)
Qtc0.78
Fc56 Hz
F3 (−3 dB, no cabin gain)55 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 11/16″
Open sealed box in designer

Ported

Net volume1.52 ft³ (43 L)
Tuning (Fb)31 Hz
Portslot 1 9/16 × 14 5/16″, 37 7/16″ long
Port velocity at 200 W40 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 10 7/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs31 Hz
Qts0.43
Qes0.463
Qms6
Vas1.14 ft³
Re≈ 3.4 Ω
Sd≈ 52.7 in²
Xmax≈ 0.39″
EBP67 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.2 dB calc.

General

Size10″
Voice coils4 Ω
RMS power200 W

Mounting dimensions

Ø10 3/16″cutout ≈ Ø9 3/16″mounting depth ≈ 5 1/8″magnet Ø≈ 5 15/16″
Cutout diameter≈ 9 3/16″
Mounting depth≈ 5 1/8″
Overall diameter10 3/16″

Only Qts is published — Qms assumed to be 6 and Qes calculated (barely affects box design).

“≈” 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 Clarion 10″ models