DD Audio 2008c ESP D2

8″ subwoofer · dual 2 Ω · 600 W RMS

Fs 28.9 HzQts 0.60Vas 0.69 ft³Xmax 0.67″

Recommended box

For a sedan, one sub, 600 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 volume0.78 ft³ (22 L)
Qtc0.82
Fc40 Hz
F3 (−3 dB, no cabin gain)36 Hz
Example box (outside)11″ × 11″ × 16 5/8″
Open sealed box in designer

Ported

Net volume1.31 ft³ (37 L)
Tuning (Fb)28 Hz
Port2 round ports Ø2 1/2″, 24 3/16″ long
Port velocity at 600 W136 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)26 3/16″ × 15 3/4″ × 8 7/8″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28.9 Hz
Qts0.60
Qes0.68
Qms5.03
Vas0.69 ft³
Re (one coil)≈ 1.7 Ω
Sd≈ 33.3 in²
Xmax0.67″
EBP43 — suits sealed calc.
Sensitivity, 1 W / 1 m80.4 dB calc.

General

Size8″
Voice coilsdual 2 Ω
RMS power600 W

Mounting dimensions

Ø9 1/16″cutout Ø8″mounting depth 6 7/16″magnet Ø≈ 5 3/16″
Cutout diameter8″
Mounting depth6 7/16″
Overall diameter9 1/16″

“≈” 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 DD Audio 8″ models