Edge EDP122-E6

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

Fs 49.5 HzQts 0.46Vas 0.34 ft³

Recommended box

For a sedan, one sub, 2,500 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 volume0.72 ft³ (20.5 L)
Qtc0.56
Fc60 Hz
F3 (−3 dB, no cabin gain)81 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 10 1/4″
Open sealed box in designer

Ported

Net volume1.41 ft³ (40 L)
Tuning (Fb)32 Hz
Port2 round ports Ø2 1/2″, 16 9/16″ long
Port velocity at 2,500 W346 ft/s
F3 (−3 dB, no cabin gain)30 Hz
Example box (outside)24″ × 15 3/4″ × 10 1/4″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs49.5 Hz
Qts0.46
Qes0.506
Qms5.67
Vas0.34 ft³
Re (one coil)1.8 Ω
Sd73.1 in²
Xmax≈ 0.39″
Mms334 g calc.
BL19.2 T·m calc.
EBP98 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.7 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power2,500 W

Mounting dimensions

Ø12 11/16″cutout Ø11 1/8″mounting depth 7 13/16″magnet Ø≈ 7 1/4″
Cutout diameter11 1/8″
Mounting depth7 13/16″
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