DL Audio Barracuda 10 Flat (2+2)

10″ subwoofer · dual 2 Ω · 300 W RMS

Fs 38.7 HzQts 0.55Vas 0.76 ft³

Recommended box

For a sedan, one sub, 300 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 volume0.67 ft³ (19 L)
Qtc0.80
Fc56 Hz
F3 (−3 dB, no cabin gain)53 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 12 5/16″
Open sealed box in designer

Ported

Net volume2.05 ft³ (58 L)
Tuning (Fb)31 Hz
Portslot 1 9/16 × 14 5/16″, 26 3/4″ long
Port velocity at 300 W60 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 13/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs38.7 Hz
Qts0.55
Qes0.606
Qms6
Vas0.76 ft³
Re (one coil)≈ 1.7 Ω
Sd≈ 52.7 in²
Xmax≈ 0.39″
EBP64 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.1 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power300 W

Mounting dimensions

Ø10 5/16″cutout Ø9″mounting depth 3 3/16″magnet Ø≈ 5 7/8″
Cutout diameter9″
Mounting depth3 3/16″
Overall diameter10 5/16″

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 DL Audio 10″ models