Edge EDP122SPL-E6

12″ subwoofer · dual 2 Ω · 1,500 W RMS

Fs 37.5 HzQts 0.54Vas 0.60 ft³

Recommended box

For a sedan, one sub, 1,500 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)
Qtc0.74
Fc52 Hz
F3 (−3 dB, no cabin gain)51 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 9 11/16″
Open sealed box in designer

Ported

Net volume1.52 ft³ (43 L)
Tuning (Fb)30 Hz
Portslot 1 3/4 × 14 5/16″, 45 1/2″ long
Port velocity at 1,500 W101 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 1/2″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs37.5 Hz
Qts0.54
Qes0.587
Qms6.67
Vas0.60 ft³
Re (one coil)1.8 Ω
Sd73.1 in²
Xmax≈ 0.39″
Mms333 g calc.
BL15.5 T·m calc.
EBP64 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.8 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power1,500 W

Mounting dimensions

Ø12 11/16″cutout Ø11 1/8″mounting depth 6 7/8″magnet Ø≈ 7 1/4″
Cutout diameter11 1/8″
Mounting depth6 7/8″
Overall diameter12 11/16″

“≈” 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 Edge 12″ models