AMPIRE BLACK12.2

12″ subwoofer · dual 2 Ω · 2,000 W RMS

Fs 29.9 HzQts 0.36Vas 0.87 ft³Xmax 0.98″

Recommended box

For a sedan, one sub, 2,000 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 volume0.81 ft³ (23 L)
Qtc0.52
Fc43 Hz
F3 (−3 dB, no cabin gain)65 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 11 3/16″
Open sealed box in designer

Ported

Net volume1.52 ft³ (43 L)
Tuning (Fb)26 Hz
Port2 round ports Ø2 1/2″, 24 1/8″ long
Port velocity at 2,000 W273 ft/s
F3 (−3 dB, no cabin gain)25 Hz
Example box (outside)23 7/8″ × 15 3/4″ × 11 1/4″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs29.9 Hz
Qts0.36
Qes0.4
Qms3.81
Vas0.87 ft³
Re (one coil)1.6 Ω
Sd79.2 in²
Xmax0.98″
Vd77.9 in³ calc.
Mms424 g calc.
BL17.8 T·m calc.
EBP75 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.2 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power2,000 W

Mounting dimensions

Ø12 3/8″cutout Ø11″mounting depth 8 3/4″magnet Ø≈ 7 1/8″
Cutout diameter11″
Mounting depth8 3/4″
Overall diameter12 3/8″

“≈” 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 AMPIRE 12″ models